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#201053 - 2013-11-17 23:18 New tweeters ****
Registered: 2009-11-10
Posts: 1,271
CMB Integrations - Bruce Offline
Meridian Partner Working on the ultimate question
CMB Integrations - Bruce Offline
Meridian Partner
Working on the ultimate question

Registered: 2009-11-10
Posts: 1,271
Loc: Lexington, South Carolina, USA
I just installed new tweeters in my DSP8000's which I thought were great sounding to begin with. I had questioned the logic of those who had said to replace them. Wow, was I wrong. There is a vast difference between the old and new tweeters. The old ones appeared to have been made in 2000 and the new ones last May. If you want to wake up your DSP's get new tweeters, you won't be sorry. At the price of new tweeters I can't think of any other tweak that could provide more bang for the buck. Definitely brought a lot of the music forward out of the background. And metallic instruments sound perfect with more bite. Back into demo mode.


www.cmbintegrations.com

Personal System #1 Theta Digital Cassablanca 4, 218, DSP8000.2SE, DSP7200SEHC, Revel F228be, Revel B112, Monitor Audio Silver 10, ATI 200WX5 Amp, JVC RS15, Shunyata Denali 600S, Black Diamond Zero Edge screen. QNAP TS-251 3TB
Mark Levinson No515 Turntable

Crestron control and multi room audio via Meridian 258 amplifiers.
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#201059 - 2013-11-17 23:43 Re: New tweeters [Re: CMB Integrations - Bruce]
Registered: 2003-09-10
Posts: 511
Tim Offline
Paranoid android
Tim Offline
Paranoid android

Registered: 2003-09-10
Posts: 511
Loc: Cambridge, UK
Bruce,
That sounds great.
How much was the cost of the replacements, if you don't mind me asking?
cheers
Tim


SB3, 561, DSP33, SW1600.
HH1 Number 48
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#201062 - 2013-11-18 00:04 Re: New tweeters [Re: Tim]
Registered: 2008-04-26
Posts: 109
Thymanst Offline
Hitchhiker
Thymanst Offline
Hitchhiker

Registered: 2008-04-26
Posts: 109
Loc: Naples, Florida USA
We're the old ones ferrofluid filled? You can see my DSP420 thread were I had to replace several - the speakers sound amazing now - as good as new - I paid 125 USD each for new ones


1. 568.2mm & 3xDSP5500 2. 565/562 & DSP5000's 3. Director & 568.1 & Edge Amp & Klipschorns
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#201063 - 2013-11-18 00:14 Re: New tweeters [Re: Thymanst]
Registered: 2003-09-10
Posts: 511
Tim Offline
Paranoid android
Tim Offline
Paranoid android

Registered: 2003-09-10
Posts: 511
Loc: Cambridge, UK
I just read your thread, the tweeters were the SEAS 25TAFN-QG (H0623-06)?
These seem to go for a lot less than 125 (Dollars?) in the UK


SB3, 561, DSP33, SW1600.
HH1 Number 48
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#201065 - 2013-11-18 00:22 Re: New tweeters [Re: Tim]
Registered: 2009-11-10
Posts: 1,271
CMB Integrations - Bruce Offline
Meridian Partner Working on the ultimate question
CMB Integrations - Bruce Offline
Meridian Partner
Working on the ultimate question

Registered: 2009-11-10
Posts: 1,271
Loc: Lexington, South Carolina, USA
25 TAFC/GW-BS1 H 1054-6ohm. Exact match for originals. Can be had about $300.00 USD retail. Prices vary elsewhere.


www.cmbintegrations.com

Personal System #1 Theta Digital Cassablanca 4, 218, DSP8000.2SE, DSP7200SEHC, Revel F228be, Revel B112, Monitor Audio Silver 10, ATI 200WX5 Amp, JVC RS15, Shunyata Denali 600S, Black Diamond Zero Edge screen. QNAP TS-251 3TB
Mark Levinson No515 Turntable

Crestron control and multi room audio via Meridian 258 amplifiers.
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#201066 - 2013-11-18 00:42 Re: New tweeters [Re: CMB Integrations - Bruce]
Registered: 2007-07-11
Posts: 1,050
Kswanson Offline
Pan-dimensional being
Kswanson Offline
Pan-dimensional being

Registered: 2007-07-11
Posts: 1,050
Loc: San Diego area, CA, USA
Well, I don't doubt it a bit Bruce. As I recall your 8ks hadn't been used regularly for a while before you bought them. Same with my 6ks. When I replaced the tweeters it was like somebody turned on the lights. Now you can start saving up for a cap change out in a couple of years...


Ken


Main: G68J, 5K2s, 5Ks, HSU subs, Pio 151FD, Dish VP722, Roku, Wadia I70, Anti Mode Dual Core, Oppo 103D Vanity Lite
Office: SBT, Audience 2+2v2, Heed, JL e110, Dual Core, 218, Roon.
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#201068 - 2013-11-18 01:09 Re: New tweeters [Re: CMB Integrations - Bruce]
Registered: 2003-09-10
Posts: 511
Tim Offline
Paranoid android
Tim Offline
Paranoid android

Registered: 2003-09-10
Posts: 511
Loc: Cambridge, UK
Bruce,
Did you source the drive units yourself and them also install them, or did you have someone else do this?
thanks
Tim


SB3, 561, DSP33, SW1600.
HH1 Number 48
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#201077 - 2013-11-18 02:19 Re: New tweeters [Re: Tim]
Registered: 2008-04-26
Posts: 109
Thymanst Offline
Hitchhiker
Thymanst Offline
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Registered: 2008-04-26
Posts: 109
Loc: Naples, Florida USA
Originally Posted By: Tim
I just read your thread, the tweeters were the SEAS 25TAFN-QG (H0623-06)?
These seem to go for a lot less than 125 (Dollars?) in the UK
They are old stock everywhere - I contacted several European parts places and only one was able to source some and they had to go through Seas - they would have been half the price but were going to take a couple of weeks to get to me - I got them through a local dealer who ordered from Meridian (Marc koval could have gotten them also, but he preferred I went through a dealer so not to not step on any toes.)


1. 568.2mm & 3xDSP5500 2. 565/562 & DSP5000's 3. Director & 568.1 & Edge Amp & Klipschorns
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#201080 - 2013-11-18 03:21 Re: New tweeters [Re: Tim]
Registered: 2009-11-10
Posts: 1,271
CMB Integrations - Bruce Offline
Meridian Partner Working on the ultimate question
CMB Integrations - Bruce Offline
Meridian Partner
Working on the ultimate question

Registered: 2009-11-10
Posts: 1,271
Loc: Lexington, South Carolina, USA
Yes I sourced and installed them myself. A phillips screwdriver, a soldering iron, and some silver solder is all you need. The replacements I got were genuine Meridian tweeters.


www.cmbintegrations.com

Personal System #1 Theta Digital Cassablanca 4, 218, DSP8000.2SE, DSP7200SEHC, Revel F228be, Revel B112, Monitor Audio Silver 10, ATI 200WX5 Amp, JVC RS15, Shunyata Denali 600S, Black Diamond Zero Edge screen. QNAP TS-251 3TB
Mark Levinson No515 Turntable

Crestron control and multi room audio via Meridian 258 amplifiers.
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#201088 - 2013-11-18 04:30 Re: New tweeters [Re: CMB Integrations - Bruce]
Registered: 2000-11-01
Posts: 2,596
RobertW Offline
Robert.W Great Green Arkleseizure
RobertW Offline
Robert.W
Great Green Arkleseizure

Registered: 2000-11-01
Posts: 2,596
Loc: Austria, Europe
Bruce,

Did you install the 25 TAFC/GW-BS1 H 1054-6ohm?
Which exact type are the original M?

How does it sound now with critical female voices and woodwind instruments?
Does you get a metallic glare or you still hear the wood and not metal?
How many music-hours are on the chassis?
Do you have a picture?

Thanks Robert


861v6+ID40/800v3/3x8k.2/3x5k5s smile /2x5kC/ 218/Explorer/TT-ELP/Trinnov Amethyst
__HB-strip, Ayon/HB/Shunyata/Dream State Audio/Miltzow -- power cables,
__Ayon/Jungson/Miltzow --analog, Miltzow-- digital,
__WMA/Finalizer- , iPad air, Macbook-pro.
Reviver
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#201092 - 2013-11-18 05:05 Re: New tweeters [Re: CMB Integrations - Bruce]
Registered: 2003-09-10
Posts: 511
Tim Offline
Paranoid android
Tim Offline
Paranoid android

Registered: 2003-09-10
Posts: 511
Loc: Cambridge, UK
Originally Posted By: Bruce Sinclair
Yes I sourced and installed them myself. A phillips screwdriver, a soldering iron, and some silver solder is all you need. The replacements I got were genuine Meridian tweeters.
An inspiration to us all smile


SB3, 561, DSP33, SW1600.
HH1 Number 48
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#201094 - 2013-11-18 05:26 Re: New tweeters [Re: RobertW]
Registered: 2009-11-10
Posts: 1,271
CMB Integrations - Bruce Offline
Meridian Partner Working on the ultimate question
CMB Integrations - Bruce Offline
Meridian Partner
Working on the ultimate question

Registered: 2009-11-10
Posts: 1,271
Loc: Lexington, South Carolina, USA
Did you install the 25 TAFC/GW-BS1 H 1054-6ohm? Yes

Which exact type are the original M? The ones I installed and the ones removed

How does it sound now with critical female voices and woodwind instruments? Not sure yet

Does you get a metallic glare or you still hear the wood and not metal? Metallics like cymbals are very realistic

How many music-hours are on the chassis? No Idea I bought them used

Do you have a picture? They look exactly the same. what sort of item needs to be photographed?


www.cmbintegrations.com

Personal System #1 Theta Digital Cassablanca 4, 218, DSP8000.2SE, DSP7200SEHC, Revel F228be, Revel B112, Monitor Audio Silver 10, ATI 200WX5 Amp, JVC RS15, Shunyata Denali 600S, Black Diamond Zero Edge screen. QNAP TS-251 3TB
Mark Levinson No515 Turntable

Crestron control and multi room audio via Meridian 258 amplifiers.
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#201100 - 2013-11-18 06:03 Re: New tweeters [Re: CMB Integrations - Bruce]
Registered: 2000-11-01
Posts: 2,596
RobertW Offline
Robert.W Great Green Arkleseizure
RobertW Offline
Robert.W
Great Green Arkleseizure

Registered: 2000-11-01
Posts: 2,596
Loc: Austria, Europe
Thanks Bruce for your fast/good info.
I didn't catch that you installed the other original tweeters.

I only found a datasheet of the h0537_25tafcd with a aluminium diaphragm but no datasheet from yours/original what have a fabric or paper diaphragm.
I just want to check the datasheets that was the reason to ask for the original numbers.

As far as I remember there was a discussion that M maybe replaced the tweeter on the 8k. I don't mean the millenium version DSP - so a close up from the front is maybe helpfull to identify it.

Also the material or a close up picture from the diaphragm would be nice.

I have one DSP with a very low serial number (below 10) and compared to the other in the 200 range I can't see any difference on my tweeter without disassembling, which I don't like to do (yet).

Thanks again for your info.

Robert


861v6+ID40/800v3/3x8k.2/3x5k5s smile /2x5kC/ 218/Explorer/TT-ELP/Trinnov Amethyst
__HB-strip, Ayon/HB/Shunyata/Dream State Audio/Miltzow -- power cables,
__Ayon/Jungson/Miltzow --analog, Miltzow-- digital,
__WMA/Finalizer- , iPad air, Macbook-pro.
Reviver
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#201102 - 2013-11-18 06:14 Re: New tweeters [Re: RobertW]
Registered: 2009-11-10
Posts: 1,271
CMB Integrations - Bruce Offline
Meridian Partner Working on the ultimate question
CMB Integrations - Bruce Offline
Meridian Partner
Working on the ultimate question

Registered: 2009-11-10
Posts: 1,271
Loc: Lexington, South Carolina, USA
They look exactly the same, black domes. The model/part# tag is exactly the same minus the date code ( I assume ) 04/00 old 05/13 new. Box reads "DSP speaker black tweeter part code PA10537 Genuine Meridian spare part"


www.cmbintegrations.com

Personal System #1 Theta Digital Cassablanca 4, 218, DSP8000.2SE, DSP7200SEHC, Revel F228be, Revel B112, Monitor Audio Silver 10, ATI 200WX5 Amp, JVC RS15, Shunyata Denali 600S, Black Diamond Zero Edge screen. QNAP TS-251 3TB
Mark Levinson No515 Turntable

Crestron control and multi room audio via Meridian 258 amplifiers.
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#201122 - 2013-11-18 14:19 Re: New tweeters [Re: CMB Integrations - Bruce]
Registered: 2004-08-07
Posts: 649
Rodney Gold Offline
Paranoid android
Rodney Gold Offline
Paranoid android

Registered: 2004-08-07
Posts: 649
Loc: Cape Town, South Africa
I have a lot of experience with Meridian tweeters , I think their OEM one could be a slightly customized one but it's a Seas H539.

The Meridian OEM tweeters are not amongst the best you can get today, and I feel that the top end speakers should have got a better driver. I understand Meridians rationale for NOT changing them.

I think the tweeters on these speakers are a weak point, the damage tends to be the voice coil separating from the dome, not always fully or resulting in a dead tweeter, but in a tweeter that is down on power and has a slight resonance or buzz at some freqs. some just die...

I like a +1.5 to 2 dB treble tilt and like to listen at lifelike levels, it seems the tweeters don't like that as much as I do, so I have a box of dead ones...

The Excel is exceptional and it handles the power that the OEM one does not - there is a match electronically, the H1212 which measures and sounds exactly like the OEM H539.

The H1212 is NOT a straight drop in, it has 4 holes rather than 6, so you will have to redrill the mounting holes and make a pocket (same as Excel) on the inner flange of the tweeter rebate to accomodate the 180 degree terminal arrangement.

The Excel needs a flange trim and some slight surgery to the inner lip of the tweeter flange on the baffle as in the H1212 - which is not visible from the front. (This is a little more of a mission.)

At any rate, using any of these does not in any way make the speakers sound like anything other than Meridian's - you have a calibration setup in the DSP speakers that actually "should" be done when replacing tweeters as this changes the gross overall level of the tweeter to take into account manufacturing variances in the OEM ones. I have never had the need to do it.

The Excel tweeter is superb, the Meridian's lose a little of the hashiness and harshness that they tend to with the metal tweeter, the excel actually measures better further up than the OEM and sounds a lot "purer", there is no loss of detail at all and as I said, there is no departure from the Meridian house sound, no change in imaging and no change in soundstage depth or width and no change in terms of timbral accuracy; just a more reliable tweeter. I have never had one fail. The flange itself is way better than the plastic ones.

There is a tweak if you want a little more upper treble bite out of the original tweeters, and that is to remove the meshes which are held in magnetically and with a dab of sealant or glue, just be careful doing this (they have to be prised out) as it's so easy to damage the dome.

When changing tweeters, you really need to be careful of the gasket used, I laser cut myself new ones out of foam. Reusing the old ones, especially with the plastic horned H539 and H1212 is not advised. The horns on these actually develop a resonance if the old gasket is used as it's normally so compressed it does not act like an isolation gasket anymore.

If you have any angst about using replacements or feel that you want to stick 100% to what you got, by all means use the NOS OEM stock or Meridian replacements.
ALWAYS replace them as a pair...

The use of non OEM replacements is a totally reversible mod thus if you want to sell the speakers at a later stage, you can just plonk in the originals.


Roon/Tidal, SBT, Trinnov ST2 , Twin Devialet D premiers, Vivid Audio Giya G1 Spirits, dedicated and treated room.
Meridian gear: 568.2mm and DSP5000's acting as TV speakers.
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#201127 - 2013-11-18 14:59 Re: New tweeters [Re: Rodney Gold]
Registered: 2000-11-01
Posts: 2,596
RobertW Offline
Robert.W Great Green Arkleseizure
RobertW Offline
Robert.W
Great Green Arkleseizure

Registered: 2000-11-01
Posts: 2,596
Loc: Austria, Europe
Thanks Rodney for all your info.

You write the original tweeter is the H0539 and bruce say the originals are H1054?

But both speakers are not listed on the SEAS sides beside that you and Bruce should have the same number/tweeter?

Also your H1212 is also not listed, only H1211 and H1213 but both are from the vintage "prestige" series not from the "excel" series beside that both have a 27mm voice coil and not a 25 voice coil as the originals.

Can you please help me here?


861v6+ID40/800v3/3x8k.2/3x5k5s smile /2x5kC/ 218/Explorer/TT-ELP/Trinnov Amethyst
__HB-strip, Ayon/HB/Shunyata/Dream State Audio/Miltzow -- power cables,
__Ayon/Jungson/Miltzow --analog, Miltzow-- digital,
__WMA/Finalizer- , iPad air, Macbook-pro.
Reviver
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#201143 - 2013-11-18 16:53 Re: New tweeters [Re: RobertW]
Registered: 2004-08-07
Posts: 649
Rodney Gold Offline
Paranoid android
Rodney Gold Offline
Paranoid android

Registered: 2004-08-07
Posts: 649
Loc: Cape Town, South Africa
The 8000 series might have a new product number for the tweeter - I only have experience with DSP6000's and below.

The H1212 is here Seas H1212.

I found the specs for the H539 somewhere but can no longer find them...

The non milennium Excel is the one I recommend - but you need to take the flange down (any one with a lathe can do it) and make a notch for the 180 degree terminals to fit it...

Not sure if I had a set of 8000's if I would mess with them though, older speakers yep.


Roon/Tidal, SBT, Trinnov ST2 , Twin Devialet D premiers, Vivid Audio Giya G1 Spirits, dedicated and treated room.
Meridian gear: 568.2mm and DSP5000's acting as TV speakers.
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#201282 - 2013-11-19 16:17 Re: New tweeters [Re: Rodney Gold]
Registered: 2003-03-17
Posts: 431
Robbo Offline
Paranoid android
Robbo Offline
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Registered: 2003-03-17
Posts: 431
Loc: The Netherlands
Any idea what tweeters are used for the DSP7200.2 ?


G68J, HD621, ...
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#201788 - 2013-11-24 10:26 Re: New tweeters [Re: Rodney Gold]
Registered: 2004-04-20
Posts: 433
Jdb-si Offline
Paranoid android
Jdb-si Offline
Paranoid android

Registered: 2004-04-20
Posts: 433
Loc: New Jersey, USA
Originally Posted By: Rodney Gold
The 8000 series might have a new product number for the tweeter - I only have experience with DSP6000's and below.

The H1212 is here Seas H1212.

I found the specs for the H539 somewhere but can no longer find them...

The non milennium Excel is the one I recommend - but you need to take the flange down (any one with a lathe can do it) and make a notch for the 180 degree terminals to fit it...

Not sure if I had a set of 8000's if I would mess with them though, older speakers yep.


Hi Rodney,

Wanted to get your thoughts on the millennium excel- I seemed to recall a while back several folks were recommending this one over the H1212. Why do you recommend against the millennium excel?


Theater: G68, G98DH, DSP6k, DSP55kC, SW1600x2, DSP55k, Plasma, (Zone 2)
Living room: DSP5k, DSP52kC, SW1600, G68, Sooloos MC600 (Zone 1)
Bedroom: M80
office: SACD, 861v4, DSP6k (Zone 3)
Storage: P350Ws, G55s, M33s, DSP33s, DSP5k, 501, 518, 561
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#201789 - 2013-11-24 13:15 Re: New tweeters [Re: Jdb-si]
Registered: 2004-08-07
Posts: 649
Rodney Gold Offline
Paranoid android
Rodney Gold Offline
Paranoid android

Registered: 2004-08-07
Posts: 649
Loc: Cape Town, South Africa
The millenium is not as an exact electronic match for the OEM tweeters, it's less sensitive for one so it's not really a direct replacement.

You can however, do a calibration on the speaker to raise the overall tweeter level by 1-2 dB. (which is not the same as using treble on the remote) to compensate.

It is a marginally "better" tweeter, I have used it elsewhere compared to non milenniums (Linkwitz Orions and some other builds) but it is not really worth double the price of the Non Millenniums as the differences in sonics were very small.


Roon/Tidal, SBT, Trinnov ST2 , Twin Devialet D premiers, Vivid Audio Giya G1 Spirits, dedicated and treated room.
Meridian gear: 568.2mm and DSP5000's acting as TV speakers.
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#201803 - 2013-11-24 19:48 Re: New tweeters [Re: Rodney Gold]
Registered: 2004-04-20
Posts: 433
Jdb-si Offline
Paranoid android
Jdb-si Offline
Paranoid android

Registered: 2004-04-20
Posts: 433
Loc: New Jersey, USA
Thanks Rodney.


Theater: G68, G98DH, DSP6k, DSP55kC, SW1600x2, DSP55k, Plasma, (Zone 2)
Living room: DSP5k, DSP52kC, SW1600, G68, Sooloos MC600 (Zone 1)
Bedroom: M80
office: SACD, 861v4, DSP6k (Zone 3)
Storage: P350Ws, G55s, M33s, DSP33s, DSP5k, 501, 518, 561
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#203465 - 2013-12-25 05:56 Re: New tweeters [Re: Rodney Gold]
Registered: 2013-10-25
Posts: 99
CalenW Offline
Hitchhiker
CalenW Offline
Hitchhiker

Registered: 2013-10-25
Posts: 99
Loc: Alamogordo, NM USA
I wanted to throw in my recent experience for those doing a future search in the forum and find this thread.

I followed Rodney's recommendation and purchased a set of Seas H1212 to replace a very tired set of original tweeters in a set of DSP5000's (18bit). The original tweeters needed the treble to be maxed out to sound almost normal, so it was time for a new set. The H1212's cost $105 shipped from Madrisound.

The original tweeters are easily removed with a torx wrench and a soldering gun. The new tweeters required a little wood work. First I had to file down the opposite side of terminal indent since the H1212 has 180 terminals rather than side by side. It required about a centimeter indent to fit the tweeters in. Also, I needed to drill new mounting holes because the H1212 has 4 mounting screws rather than 6. They look fine when finished.

Caveats:
The H1212's need very thick mounting tape to be flush mount with the speaker front baffle. However, the tweeter diaphragm is about 4mm forward of the original dome, so mounting it deep into the baffle, you get about 3mm of that back. This way you avoid any time alignment concerns (though 4mm is arguably inaudible).

The sound:
I have read the different schools of thought about replacing the tweeters with non-Meridian sourced ones. I fully acknowledge the likelihood that DSP equalization was put into place for the H539 tweeters that would not match the H1212. If there is, it is completely inaudible to me. After breaking the H1212's in, they sound EXACTLY like the original tweeters still in my DSP5000.3's. I even put one H1212 DSP5000 as the left channel and the H539 DSP5000.3 on the right and it was transparent. Your system may be more revealing than mine, but I have a room of medium size with sound treatment, so it is not a complete slouch. I've been listening to them as my main speakers for a few weeks now and haven't found any variation in the sound from the fresh H539's of my DSP5k.3's.

Your room and ears may have different results, but I am satisfied with my cheap and easy fix to some old speakers.


#1: Cable box & Oppo 103-> HD621 -> G68 -> DSP33 x 3 & Velodyne SPL10
#2: Mac Mini -> DSP33x2
#3: In the closet: Velodyne ULD-15 & ULD-12, and all five DSP5000s, vanity lite
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#203554 - 2013-12-28 00:44 Re: New tweeters [Re: Robbo]
Registered: 2003-08-30
Posts: 151
Marcoro Offline
Hitchhiker
Marcoro Offline
Hitchhiker

Registered: 2003-08-30
Posts: 151
Loc: Utrecht, Netherlands

The 7200.2 uses the H1612-04 tweeter.
Upgrade was done today, sounds great!


861v8, MC200, MD600, MS600, HD621, Oppo BDP-93, Roku 4, DSP7200.2, DSP7200.2HC, DSP430, ML Descent, F80
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#203845 - 2013-12-31 21:03 Re: New tweeters [Re: Marcoro]
Registered: 2008-04-26
Posts: 109
Thymanst Offline
Hitchhiker
Thymanst Offline
Hitchhiker

Registered: 2008-04-26
Posts: 109
Loc: Naples, Florida USA
After replacing the tweeters in some DSP420's and hearing how wonderful they sounded and reading calenw's successful use of new tweeters, I ordered 3 Seas H1212 tweeters from madisound for my DSP5500's (mark 1's so they are about 15 years old) they should be here Thursday or Friday.

Right now I'm doing some critical listening to the 5500's pre tweeter switch and the highs seem to missing the last bit of shimmer and air - the mids and bass are spot on, but the upper frequencies seem to be slight less balanced with them.

Calenw, before you replaced tweeters could you tell the highs were rolled off?

I guess I should also ask forum members who have 5500's if the high frequencies are more like the highs on other Meridian speakers (I have the DSP420s to compare to, highs were more prominent but of course the bass was not a strength of this speaker).

Of course I'll keep the original tweeters around to include if I ever sell them.


1. 568.2mm & 3xDSP5500 2. 565/562 & DSP5000's 3. Director & 568.1 & Edge Amp & Klipschorns
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#203945 - 2014-01-02 05:43 Re: New tweeters [Re: Thymanst]
Registered: 2013-10-25
Posts: 99
CalenW Offline
Hitchhiker
CalenW Offline
Hitchhiker

Registered: 2013-10-25
Posts: 99
Loc: Alamogordo, NM USA
I bought the speakers used after owning a set of newer DSP5k smiley faces for a while, so when I plugged them in to listen; the difference was dramatic. I thought the tweeters were completely blown. But strangely, turning up the treble tilt all the way brought them alive again. Still not quite up to the much newer smiley face tweeters, though. So it was not a subtle degradation in my case.

However, I also purchased an older DSP5KC upgraded to 96/24. I believe the tweeter is still original, however. So probably only a couple of years newer than the old DSP5k's I just bought. The highs are a hint down in comparison to the newer tweeters of my other speakers. A simple 1dB bump in treble tilt gets it right again. They are probably going down the tubes, slow but sure.


#1: Cable box & Oppo 103-> HD621 -> G68 -> DSP33 x 3 & Velodyne SPL10
#2: Mac Mini -> DSP33x2
#3: In the closet: Velodyne ULD-15 & ULD-12, and all five DSP5000s, vanity lite
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#203946 - 2014-01-02 06:04 Re: New tweeters [Re: CalenW]
Registered: 2008-04-26
Posts: 109
Thymanst Offline
Hitchhiker
Thymanst Offline
Hitchhiker

Registered: 2008-04-26
Posts: 109
Loc: Naples, Florida USA
I never used the treble control on my speakers, but if I increase them to +1.5-2 the speakers sound more like they should so I'm thinking the tweeters are on the outs - I'm looking forward to seeing how the new tweeters liven them up - I'll post on Friday how it turns out.


1. 568.2mm & 3xDSP5500 2. 565/562 & DSP5000's 3. Director & 568.1 & Edge Amp & Klipschorns
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#203976 - 2014-01-02 21:40 Re: New tweeters [Re: Thymanst]
Registered: 2003-09-10
Posts: 511
Tim Offline
Paranoid android
Tim Offline
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Registered: 2003-09-10
Posts: 511
Loc: Cambridge, UK
I'll be interested to hear about your findings.
Currently toying with the idea of replacing the ones on my DSP33s. I had a quote from one of the dealers on this forum for a pair of original tweeters.
Cheers
Tim


SB3, 561, DSP33, SW1600.
HH1 Number 48
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#204056 - 2014-01-04 02:56 Re: New tweeters [Re: Tim]
Registered: 2008-04-26
Posts: 109
Thymanst Offline
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Thymanst Offline
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I replaced the tweeters on all three speakers and now I can hear what I was missing - the air is back, the shimmering of the cymbals- two tracks that I found the most obvious differences - The Eagles Hotel California and Queen Bicycle Race - The Edge/Growl is there on guitars also.

The speakers sounded good without the new tweeters, I just figured they were voiced to be subtle on the top - live and learn ...

I'd recommend the tweeters refreshed on any ferrofluid tweeter over ten years old.

The I think the DSP33 tweeters are the same as the DSP420s - (see my thread on them)

It makes me very happy to have new speakers.


1. 568.2mm & 3xDSP5500 2. 565/562 & DSP5000's 3. Director & 568.1 & Edge Amp & Klipschorns
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#204072 - 2014-01-04 07:02 Re: New tweeters [Re: Thymanst]
Registered: 2003-09-10
Posts: 511
Tim Offline
Paranoid android
Tim Offline
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Registered: 2003-09-10
Posts: 511
Loc: Cambridge, UK
Interesting findings, thanks for sharing.
I'll consider replacing the tweeters on my DSP33s, they're around 10 years old.
Tim


SB3, 561, DSP33, SW1600.
HH1 Number 48
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#204079 - 2014-01-04 10:47 Re: New tweeters [Re: Tim]
Registered: 2005-11-18
Posts: 152
Sam Edwards Offline
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Sam Edwards Offline
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Posts: 152
Loc: Santa Monica, CA, USA
Are these Seas 27TBFC/G Tweeter the right ones for the DSP5K 96/24's?

Mine are upgraded from 18bit.
Thanks!
Sam


G61R, DSP5200HC 2x DSP5000 (96/24) upgraded tweeters, 2x DSP3100 Rears, HD621, Oppo UDP203, MC200. Happy!
Edited by Carl; 2014-01-04 16:15. Edit Reason: URL wrapped with URL Tag
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#204083 - 2014-01-04 17:30 Re: New tweeters [Re: Sam Edwards]
Registered: 2008-04-26
Posts: 109
Thymanst Offline
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Thymanst Offline
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Registered: 2008-04-26
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Loc: Naples, Florida USA
Originally Posted By: Sam Edwards
Are these Seas 27TBFC/G Tweeter the right ones for the DSP5K 96/24's?
The ones I used and Calenw used (and recomended by Rodney Gold - see his post on how to install) are the Seas h1212 - they are at Madisound for $51.

SEAS Prestige 27TBFC/G (H1212) Aluminum/Magnesium Dome Tweeter
they are 6 ohms.

I don't know the exact variables that cause the ferrofluid to go bad. I've read evaporation, thickening with age, hard use.
I took apart a tweeter from a DSP420 I had, and the fluid looked very dark and kind of thick.


1. 568.2mm & 3xDSP5500 2. 565/562 & DSP5000's 3. Director & 568.1 & Edge Amp & Klipschorns
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#204086 - 2014-01-04 18:15 Re: New tweeters [Re: Thymanst]
Registered: 2004-12-09
Posts: 6,215
ChrisLayerUK Offline
President of the Imperial Galactic Government
ChrisLayerUK Offline
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Registered: 2004-12-09
Posts: 6,215
Loc: Colchester, Essex, UK
You need to know what new fluid looks like to be sure. Chris


No 18 in the Hall of fame smile I have simple tastes; I am content to settle for the best: GIK monster bass panels, rear wall.
MC200 500GB, QNAP TVS 471i3. Roon into 2 MS200's. Explorer 2. Bluesound Pulse 2 and Mini. 596 v1.89.2, 518, G61R, M60.2 Rosewood, M33C, M33 Rears, M1500 Sub, Foxsat HD, Sony Blu Ray, Pioneer 5090, 2 Chromecast's for LRB videos.
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#204121 - 2014-01-05 00:53 Re: New tweeters [Re: CMB Integrations - Bruce]
Registered: 2010-01-12
Posts: 36
Bergep Offline
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Bergep Offline
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Loc: Oslo, Norway
Is it possible to use the tweeter from DSP7200.2 on DSP6000 (96/24)?


Living Room: C:15 Black,TS (2x 3TB),218,AC12 & DSP6000.2
Drawing Room: MacBook Pro,Roon,Tidal Hi-Fi,Explorer 2,Genelec 6010B &5040B
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#204137 - 2014-01-05 03:27 Re: New tweeters [Re: Thymanst]
Registered: 2005-11-18
Posts: 152
Sam Edwards Offline
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Sam Edwards Offline
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Loc: Santa Monica, CA, USA
Thymanst,

I have ordered 3 to use across the front in DSP5k96/24 and DSP5kC96/24. I'll be back with impressions.

Thanks for the help!
Sam


G61R, DSP5200HC 2x DSP5000 (96/24) upgraded tweeters, 2x DSP3100 Rears, HD621, Oppo UDP203, MC200. Happy!
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#204139 - 2014-01-05 03:56 Re: New tweeters [Re: Sam Edwards]
Registered: 2008-04-26
Posts: 109
Thymanst Offline
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Thymanst Offline
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Registered: 2008-04-26
Posts: 109
Loc: Naples, Florida USA
I ordered ferrofluid from parts express - I'm going to try to refresh the old tweeters and see if that brings them back to life - it's only a little over $3 for each tweeter -


1. 568.2mm & 3xDSP5500 2. 565/562 & DSP5000's 3. Director & 568.1 & Edge Amp & Klipschorns
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#204150 - 2014-01-05 06:01 Re: New tweeters [Re: Thymanst]
Registered: 2013-10-25
Posts: 99
CalenW Offline
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I am interested in this approach as well. I live minutes from Parts express, coincidentally, so I can pick up the fluid easily enough.

I am a little disheartened that a $50 driver can be such an awesome drop in replacement for a Meridian speaker. I always got the impression Meridian were a cost no object kind of design, but clearly that is not the case. Has SEAS driver technology come so far in the last few years that once great (expensive) drivers can be replaced with bargain basement ones or did Meridian never put much into the drivers in the first place? Replacing the tweeters in a nautilus B&W is staggeringly expensive in comparison to these SEAS.

Well, I'm not that disheartened since it sounds great. But perhaps I short changed myself with the H1212's. Maybe a set of upper echelon SEAS drivers would be even better?


#1: Cable box & Oppo 103-> HD621 -> G68 -> DSP33 x 3 & Velodyne SPL10
#2: Mac Mini -> DSP33x2
#3: In the closet: Velodyne ULD-15 & ULD-12, and all five DSP5000s, vanity lite
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#204151 - 2014-01-05 06:16 Re: New tweeters [Re: CalenW]
Registered: 2003-08-01
Posts: 982
Mudge Offline
Pan-dimensional being
Mudge Offline
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Registered: 2003-08-01
Posts: 982
Loc: Surrey Hills, UK
I'm sure there was a note from his holiness Bob about tweeters. Something about selecting one with the most neutral presentation, smoothest off axis response and freedom from resonance & breakup.
Other manufacturers use carefully selected 'cheap' tweeters to great effect.


Mark
G68, baby Genelecs, Humax Foxsat, Oppo+Vanity93, Toshiba HD-A35, Pioneer CLD-925 + Meridian 519, various other random bits and bobs
Got a black G08.2 you want to sell?
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#204152 - 2014-01-05 06:57 Re: New tweeters [Re: Mudge]
Registered: 2013-10-25
Posts: 99
CalenW Offline
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CalenW Offline
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Well, he definitely found that in the H539 and H1212 to a large degree. No disagreement there. Though, I wonder what a set of beryllium tweeters would sound like in the 5k's? Added air and bite to brass instruments, or total brackish nonsense?


#1: Cable box & Oppo 103-> HD621 -> G68 -> DSP33 x 3 & Velodyne SPL10
#2: Mac Mini -> DSP33x2
#3: In the closet: Velodyne ULD-15 & ULD-12, and all five DSP5000s, vanity lite
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#204153 - 2014-01-05 07:13 Re: New tweeters [Re: Mudge]
Registered: 2008-04-26
Posts: 109
Thymanst Offline
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Thymanst Offline
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Posts: 109
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There's more to Meridian speakers than $50 tweeters - think about the technology in the 5500's - 4 drivers with an amp driving each, a built in pre-amp and DAC's - heavy duty cabs and a lighted display - all of it selected, R&D to work together in a cohesive presentation. You have to also build in manufacturer and dealer profit otherwise they would cease to exist - what it cost to also manufacture the parts? Seas is able to sell the tweeters at a reasonable price thru economies of scale.

Another big point is because of the internets ability to share information we are aware of replacements and issues that effect our gear - this info was not available for mass consumption when my 5500's were first built.


1. 568.2mm & 3xDSP5500 2. 565/562 & DSP5000's 3. Director & 568.1 & Edge Amp & Klipschorns
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#204154 - 2014-01-05 07:18 Re: New tweeters [Re: CalenW]
Registered: 2001-05-23
Posts: 2,709
Gianni Offline
Great Green Arkleseizure
Gianni Offline
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Registered: 2001-05-23
Posts: 2,709
Loc: North London, United Kingdom
A Nautilus tweeter is about 50 for the B&W 802N (I blew one once). The diamond tweeter for the 802D is >1000 IIRC. Most reviews seem to prefer the Diamonds because the treble is apparently "sweeter". Certainly, in my experience, the 802Ns could be a little harsh from time to time but still performed very well with the "cheap" tweeter.

I suspect Meridian put considerable effort into maximising their tweeter's performance by using DSP and digital cross-overs.


Wonderful perfect quadraphonic sound with distortion levels so low as to make a brave man weep smile
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#204155 - 2014-01-05 09:37 Re: New tweeters [Re: Gianni]
Registered: 2013-10-25
Posts: 99
CalenW Offline
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CalenW Offline
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Registered: 2013-10-25
Posts: 99
Loc: Alamogordo, NM USA
Absolutely, the "D" version is what I was referring to in my price comparison.

So my wife laughed at me when I shared what I was writing in this forum with her. She says, "You complained incessantly about the $2500 to replace one catalytic convertor in the BMW and then you are DISAPPOINTED when a tweeter only costs $50 to replace?" I guess she's right, there is no pleasing some people.

I'll stop second guessing Meridian now.


#1: Cable box & Oppo 103-> HD621 -> G68 -> DSP33 x 3 & Velodyne SPL10
#2: Mac Mini -> DSP33x2
#3: In the closet: Velodyne ULD-15 & ULD-12, and all five DSP5000s, vanity lite
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#204156 - 2014-01-05 10:07 Re: New tweeters [Re: CalenW]
Registered: 2004-04-20
Posts: 433
Jdb-si Offline
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Jdb-si Offline
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Registered: 2004-04-20
Posts: 433
Loc: New Jersey, USA
I am not sure it is the ferrofluid that goes bad, so the replacement fluid "experiment" will be very interesting.

The standard silver dome tweeter has a polymer around the dome, that I suspected goes bad over time.


Theater: G68, G98DH, DSP6k, DSP55kC, SW1600x2, DSP55k, Plasma, (Zone 2)
Living room: DSP5k, DSP52kC, SW1600, G68, Sooloos MC600 (Zone 1)
Bedroom: M80
office: SACD, 861v4, DSP6k (Zone 3)
Storage: P350Ws, G55s, M33s, DSP33s, DSP5k, 501, 518, 561
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#204167 - 2014-01-05 19:58 Re: New tweeters [Re: Jdb-si]
Registered: 2010-02-03
Posts: 731
Mtns Offline
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Mtns Offline
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Posts: 731
Loc: North Carolina, USA
A couple of years ago I decided to replace the tweeters in my 6ks and three 5.5ks. I made this decision as the 6ks and center 5.5 were purchased used, and the 5.5k I used at the rears were purchased in 1998. I assumed this had to be a good move as I had already decided to treat myself to a full day of Marc Koval coming up to NC from Atlanta and tweaking my stuff. I bought the tweeters from my Florida dealer at "dealer cost" in consideration of my prior purchase history.

Less than a year later, I purchased used 8ks and asked Marc if I needed to replace the tweeters to ensure that the output/performance was the same as the ones he had recently installed. I was informed that any output discrepancy would be taken care of by DSP adjustment, and the tweeters were identical up and down the line.

He said at the time that other than "blowing out" or physical abuse, that the other problem over time was the fluid would "dry up". The "new tweeters" are by the same maker(SEAS) and were selected based on their sonic match with the prior model.


James
NC1: 861v4+ID40, 218, MS200 (to outdoors), DSP8000SE (upgraded). 5500VC, 5500s, Hsu Research ULS15x2, DirecTV, Oppo BD103, QNAP251, Roon
NC2-see FL 2 with Triad Silver Speakers

FL1: G61R, 218, DSP8000SEs, 5500HC, DSP6000s, MS600, DirecTv, Oppo BD103, QNAP469, Roon
FL2: Marantz 7005, M60s, M60C, M33s, Oppo BDP-93, MS200, Roon
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#204193 - 2014-01-06 00:37 Re: New tweeters [Re: Mtns]
Registered: 2004-12-09
Posts: 6,215
ChrisLayerUK Offline
President of the Imperial Galactic Government
ChrisLayerUK Offline
President of the Imperial Galactic Government

Registered: 2004-12-09
Posts: 6,215
Loc: Colchester, Essex, UK
This is a quote from an article interview with Bob Stuart on Duncan's site, by the Huffington Post. It is concerned with the (cheap) tweeter concern.
Originally Posted By: Bob Stuart
Nowadays its quite common people are used to Apple making nice looking products, and you expect a degree of design. But back then there was nothing. Audio didnt look special. Weve always tried to synthesise designs where the appearance and the function are together.

In other words, form follows function and everything we do in the appearance theres a reason for it, and everything we do on the inside theres a reason for it. So we wouldnt make a cynical product like that.

You might make a headphone out of a particular material to give it the right mass or to make it look attractive. Thats okay but to overcharge because the cable is made of Kevlar is nothing to do with the sound. In fact its quite likely to destroy the sound if its got the wrong dielectric. Like in anything, expensive doesnt mean good.
Chris smile


No 18 in the Hall of fame smile I have simple tastes; I am content to settle for the best: GIK monster bass panels, rear wall.
MC200 500GB, QNAP TVS 471i3. Roon into 2 MS200's. Explorer 2. Bluesound Pulse 2 and Mini. 596 v1.89.2, 518, G61R, M60.2 Rosewood, M33C, M33 Rears, M1500 Sub, Foxsat HD, Sony Blu Ray, Pioneer 5090, 2 Chromecast's for LRB videos.
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#204634 - 2014-01-10 18:51 Re: New tweeters [Re: ChrisLayerUK]
Registered: 2004-08-06
Posts: 1,312
MacGuy Offline
Working on the ultimate question
MacGuy Offline
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Registered: 2004-08-06
Posts: 1,312
Loc: New York, USA
I wonder how the audio would have sounded in Apple products if Steve Jobs had been a Meridian fan? cool


Arcam850, Oppo 203 4k, Sony PS3 & Sony VW285ES Native 4k PJ. 55" Samsung UHD 8500 4k in the bedroom.

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#204734 - 2014-01-11 21:14 Re: New tweeters [Re: MacGuy]
Registered: 2008-04-26
Posts: 109
Thymanst Offline
Hitchhiker
Thymanst Offline
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Posts: 109
Loc: Naples, Florida USA
OK, I got the ferrofluid from parts express and had time this morning to recharge the old tweeters - the first one I did was stuck when I pulled the tweeter face off from the magnet assembly I ruined the voice coil - the second two came apart very easily - I was also surprised that looking at the tweeters 2 of them are h715's and the other is a h539 so Meridian used different tweeters in the speakers (DSP5500's) -

One of the tweeters I pulled apart had very little fluid in it compared to the other - it was also thicker - the kit from parts express comes with blotters to take up the fluid in the magnetic gap - the ferrofluid goes in super easy - just cut the end and put it in the gap and it sucks right into the gap.

I've been playing my 5500's with the h1212 replacements in them and they sound amazing now, better than the other I speakers I have - I don't detect any abnormalities to the sound - the air, and transparently is there now.

I'm going to put the original tweeters back in the speakers later today to see if they now sound as good as the h1212

Looking at the tweeter upon taking it apart I don't see anything that is super special about it that would be different from a replacement (h1212) especially if the electrical plot is comparable - sound wise they are a ton better than the old originals...


1. 568.2mm & 3xDSP5500 2. 565/562 & DSP5000's 3. Director & 568.1 & Edge Amp & Klipschorns
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#204778 - 2014-01-12 05:37 Re: New tweeters [Re: Thymanst]
Registered: 2014-01-10
Posts: 1
Deandome Offline
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Deandome Offline
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Registered: 2014-01-10
Posts: 1
Loc: Libertyville, IL, USA
[first post!] laugh

I, too am kinda shocked to see a $50 tweeter in such an expensive speaker. But seeing that I'm going to be looking out for used DSP5200s as I assemble my system, maybe that's a good thing.

But if you're still put off, just wait for the new SE speakers. The Beryllium tweeters will be $400-500 a pop... minimum. But something tells me people will be lining up to upgrade to them.

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#204876 - 2014-01-13 06:19 Re: New tweeters [Re: Deandome]
Registered: 2005-11-18
Posts: 152
Sam Edwards Offline
Hitchhiker
Sam Edwards Offline
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Posts: 152
Loc: Santa Monica, CA, USA
I just put the Seas speakers from Madisound in my three DSP5k fronts and it's a very noticeable improvement. The air is back! The front pair dates from the '90ies and is a upgraded from 18bit. The center is less noticeable after doing doing the front pair, but it's more recent, from about 2000 and was purchased as a 96/24.


I was able to cut a second slot for the second connector on the tweeter and they lay absolutely flat.

This would be a several thousand dollar upgrade in Meridian dollars. I think I'll order two more for the rears, even though they're even more recent.

Thanks everybody!


G61R, DSP5200HC 2x DSP5000 (96/24) upgraded tweeters, 2x DSP3100 Rears, HD621, Oppo UDP203, MC200. Happy!
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#207744 - 2014-02-27 17:37 Re: New tweeters [Re: Thymanst]
Registered: 2014-02-10
Posts: 161
Sir Ron Ekim Offline
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Sir Ron Ekim Offline
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Registered: 2014-02-10
Posts: 161
Loc: Surrey, UK
Originally Posted By: Thymanst
I've been playing my 5500's with the h1212 replacements in them and they sound amazing now, better than the other I speakers I have - I don't detect any abnormalities to the sound - the air, and transparently is there now.

I'm going to put the original tweeters back in the speakers later today to see if they now sound as good as the h1212

Looking at the tweeter upon taking it apart I don't see anything that is super special about it that would be different from a replacement (h1212) especially if the electrical plot is comparable - sound wise they are a ton better than the old originals...
... later that same day...

I'm intrigued. What were the results of testing?

Cheers
Mike


LOUNGE - Roon Server on Windows 10, i7 HTPC, iPad Air 2 remote, MS200 218 feeding white DSP7200.2
GARDEN - DSP5000
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#207782 - 2014-02-28 03:02 Re: New tweeters [Re: CMB Integrations - Bruce]
Registered: 2011-11-04
Posts: 362
D4ve84 Offline
Hitchhiker
D4ve84 Offline
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Registered: 2011-11-04
Posts: 362
Loc: Portland, Dorset, UK
+1

Thymanst, I'm wondering if my 5k's would benefit from some new tweeters, your thoughts on how they improved the 5k5's would be greatly appreciated

Kind regards
David


G68J, HD621, DSP3100, DSP5200HC, M1500, DSP33, Explorer 1.

Denon 1611ud, Pana 50vt65b, Apple TV, Pro Ject Debut iii SE, MacBook Pro, Amazon Fire stick, Alexa dot, BT vision, Humax Freesat HDR, Systemline music server, Living control roombox 6, Denon tu1800dab, Airport Express.
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#236943 - 2015-06-19 22:18 Re: New tweeters [Re: D4ve84]
Registered: 2014-04-25
Posts: 87
Jose_Howay Offline
Hitchhiker
Jose_Howay Offline
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Registered: 2014-04-25
Posts: 87
Loc: Pinole CA, USA
I was wondering how this Seas T29b001 Beryllium tweeter would sound in my DSP6000's.

The Beryllium Seas have almost the same spec as the Seas Excel black dome ones. I am waiting on one Excel for my DSP5500HC.

I have Prestige H1212 replacements on my DSP6000's which sound great. Just was curious who has tried Beryllium swap.


861v4 LPSU, DSP6000 (D6000 originally)upgraded 96/24 with H1212 tweeters, DSP5500HC with Excel tweeter 96/24, M33 rear speakers, Explorer 1 to 861v4-Toslink Roon/Tidal. Oppo BDP80 via IA45 card.
Edited by Carl; 2015-06-20 09:20. Edit Reason: URL Wrapped with URL Tag and description.
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#236949 - 2015-06-20 02:17 Re: New tweeters [Re: Jose_Howay]
Registered: 2010-08-08
Posts: 420
Jeje Offline
Paranoid android
Jeje Offline
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Registered: 2010-08-08
Posts: 420
Loc: New York City, NY, USA
Let us know if you try it, I'm interested.
Thanks


Jerome
Music: MC200 -> MS600 -> G68D -> DSP8.2k + DSP5200HC front / DSP33 Rears
Movies: NAS -> Oppo BDP-93 -> HD621 -> G68D -> DSP8.2k + DSP5200HC front / DSP33 Rears
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#237020 - 2015-06-21 21:36 Re: New tweeters [Re: Jeje]
Registered: 2004-01-12
Posts: 2,283
Crion Offline
Senior Shouting Officer
Crion Offline
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Registered: 2004-01-12
Posts: 2,283
Loc: Stockholm, Sweden
So, a tweeter swap for 1k$ that does not have the proper crossover electronics for it and just hoping the quality of the part itself will be enough improvement?


Future ID80 with video owner!
DSP8000SE, DSP7200SEHC, DSP5200SE sides, DSP7200SE rears, 861v8/ID41, MC200, Sim2 HT380 T2 1080P, Stewart Cinecurve 2.35:1, XEIT CM-5E Anamorphic lens, HDI Dune BD Prime 3.0 with Wireworld Platinum HDMI -> HD621 -> Audioquest Diamond RJ45. Shunyata Sigma Digital@861v8.
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#237024 - 2015-06-22 10:32 Re: New tweeters [Re: Crion]
Registered: 2014-10-18
Posts: 254
Big T Offline
Hitchhiker
Big T Offline
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Registered: 2014-10-18
Posts: 254
Loc: London, UK
Indeed!

I have over the last 6 months refurbished a number of tweeters and have tested the h1212 units alongside the originals and can categorically state they sound different.

If you are using them to replace older units they are going to sound better as the ferrofluid deteriorates, reducing its output.

In this instance it is best to replace with one of the oem units as there is a difference in sound, not a huge difference, but it's there.

The same will apply to other units, whether or not they are a better unit makes little difference if the eq profile is different.


Lounge: DSP33's, MS200, QNAP (Storage and Core), G68D, HD421
Family Room: DSP5000
Kitchen: F80
Portable: Explorer2
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#237930 - 2015-07-20 20:56 Re: New tweeters [Re: CMB Integrations - Bruce]
Registered: 2015-06-11
Posts: 39
gzdad888 Offline
Harmless
gzdad888 Offline
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Registered: 2015-06-11
Posts: 39
Loc: London, UK
Hello all,

I bought some pretty old 5ks, and am enjoying them quite a lot. But not quite what I expected. In the parlance, they lack "air". Nice and tight and very pleasant at low volumes, but well, just not all there up top.

So I bought some replacement tweeters. I'm doing it all on a budget, so got the H1212's rather than the genuine Meridian replacements.

But, question is, how to fit them? I sat down just now, unscrewed the originals carefully, and tried to prise them out and... they just didn't budge.

I removed the six philips screws on the outer surround. There are some torx screws on the inside, under the metal grill, but they don't look like they attach the tweeter to the cabinet.

Do I need to open up the back of the speakers to get to them?

I'm not an experienced surgeon (though have used a soldering iron in my time) and don't want to cut more than I absolutely need...


G61R, DSP5000 18k, DSP5200HC, DSP33, D2500, Chromecast Audio, Sony Blu Ray, Epson Projector, a range of other bits and pieces.
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#237931 - 2015-07-20 21:52 Re: New tweeters [Re: gzdad888]
Registered: 2014-10-18
Posts: 254
Big T Offline
Hitchhiker
Big T Offline
Hitchhiker

Registered: 2014-10-18
Posts: 254
Loc: London, UK
sounds like the tweeters are stuck in place by the gaskets, you will need to use something like a larger Allen key in one of the screw holes and lever it gently toward the centre, it will give eventually. Don't undo the torx screws under the grill as this holds the front plate to the magnet!

The 1212 units are not a drop in replacement and will require some surgery to the cabinet!

Best IMHO to replace like for like and save yourself the bother!

Also don't cut the cables as you don't have much to play with, best unsolder.

If you want I can take a look at the tweeters, if they are not too far gone I can have them back as new for very little!

If the speakers are old then it's also time to look at getting the amp section recapped.


Lounge: DSP33's, MS200, QNAP (Storage and Core), G68D, HD421
Family Room: DSP5000
Kitchen: F80
Portable: Explorer2
Edited by Big T; 2015-07-20 21:58.
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#239083 - 2015-08-21 20:22 Re: New tweeters [Re: Bergep]
Registered: 2014-04-25
Posts: 87
Jose_Howay Offline
Hitchhiker
Jose_Howay Offline
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Registered: 2014-04-25
Posts: 87
Loc: Pinole CA, USA
Originally Posted By Bergep
Is it possible to use the tweeter from DSP7200.2 on DSP6000 (96/24)?
I will find out, I just ordered a pair for my DSP6000's. I believe so no problem only a minor difference to the ones they sell now for replacements.


861v4 LPSU, DSP6000 (D6000 originally)upgraded 96/24 with H1212 tweeters, DSP5500HC with Excel tweeter 96/24, M33 rear speakers, Explorer 1 to 861v4-Toslink Roon/Tidal. Oppo BDP80 via IA45 card.
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#239084 - 2015-08-21 20:33 Re: New tweeters [Re: Jose_Howay]
Registered: 2014-10-18
Posts: 254
Big T Offline
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Big T Offline
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Registered: 2014-10-18
Posts: 254
Loc: London, UK
The .2's are I believe a more sensitive version so will probably need to be adjusted for in the calibration.

In order to get the best out of them you will need a digital equaliser in the chain. Something like a Behringer ultra curve pro or a MiniDSP / Dirac combo.

T


Lounge: DSP33's, MS200, QNAP (Storage and Core), G68D, HD421
Family Room: DSP5000
Kitchen: F80
Portable: Explorer2
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#239085 - 2015-08-21 20:39 Re: New tweeters [Re: Big T]
Registered: 2014-04-25
Posts: 87
Jose_Howay Offline
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Jose_Howay Offline
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Registered: 2014-04-25
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Loc: Pinole CA, USA
I was told a minor difference and cosmetic.


861v4 LPSU, DSP6000 (D6000 originally)upgraded 96/24 with H1212 tweeters, DSP5500HC with Excel tweeter 96/24, M33 rear speakers, Explorer 1 to 861v4-Toslink Roon/Tidal. Oppo BDP80 via IA45 card.
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#239089 - 2015-08-21 22:08 Re: New tweeters [Re: Jose_Howay]
Registered: 2014-10-18
Posts: 254
Big T Offline
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Big T Offline
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Registered: 2014-10-18
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Loc: London, UK
Report back when you have tried them out, will be interesting to see what differences you find!


Lounge: DSP33's, MS200, QNAP (Storage and Core), G68D, HD421
Family Room: DSP5000
Kitchen: F80
Portable: Explorer2
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#239273 - 2015-08-26 20:23 Re: New tweeters [Re: Big T]
Registered: 2014-04-25
Posts: 87
Jose_Howay Offline
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Jose_Howay Offline
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Registered: 2014-04-25
Posts: 87
Loc: Pinole CA, USA
Originally Posted By Big T
Report back when you have tried them out, will be interesting to see what differences you find!
I got new 7200.2 tweeters installed today so far they sounded louder a little less detail at first compared to my H1212 Seas replacements.

I only got a few minutes to play with them. I raised the volume a little higher, then they started to sound a little more detailed So is there a break in period for black dome tweeters?

Update: tweeters are starting to warm up now .




861v4 LPSU, DSP6000 (D6000 originally)upgraded 96/24 with H1212 tweeters, DSP5500HC with Excel tweeter 96/24, M33 rear speakers, Explorer 1 to 861v4-Toslink Roon/Tidal. Oppo BDP80 via IA45 card.
Edited by Jose_Howay; 2015-08-27 15:13.
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#239380 - 2015-08-30 23:19 Re: New tweeters [Re: Jose_Howay]
Registered: 2014-01-07
Posts: 119
Craig Offline
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Craig Offline
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Registered: 2014-01-07
Posts: 119
Loc: Hope Island, Australia
I'm interested in hearing how these 7200.2 ones go after ahwile as I'm wanting to change my tweeters very soon in my 6K's


Theatre Room: Sony 4K VW500ES, 861v8+ID41, HD621, DSP6000's, DSP5000C, DSP5000's, Oppo 205, Sat STB, XBox One S, Middle Atlantic Rack. Stewart Cinemascope Screen, QNAP TVS 1271U-RP (96TB) with Sooloos/Roon core pkg.

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#239382 - 2015-08-31 00:58 Re: New tweeters [Re: Craig]
Registered: 2007-07-11
Posts: 1,050
Kswanson Offline
Pan-dimensional being
Kswanson Offline
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Registered: 2007-07-11
Posts: 1,050
Loc: San Diego area, CA, USA
I've had those tweeters in my 6Ks for the last couple of years and they sound terrific.

Ken


Main: G68J, 5K2s, 5Ks, HSU subs, Pio 151FD, Dish VP722, Roku, Wadia I70, Anti Mode Dual Core, Oppo 103D Vanity Lite
Office: SBT, Audience 2+2v2, Heed, JL e110, Dual Core, 218, Roon.
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#239383 - 2015-08-31 01:10 Re: New tweeters [Re: Kswanson]
Registered: 2014-01-07
Posts: 119
Craig Offline
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Craig Offline
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Registered: 2014-01-07
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Loc: Hope Island, Australia
Ken,
Thanks. I will have to get a couple then.


Theatre Room: Sony 4K VW500ES, 861v8+ID41, HD621, DSP6000's, DSP5000C, DSP5000's, Oppo 205, Sat STB, XBox One S, Middle Atlantic Rack. Stewart Cinemascope Screen, QNAP TVS 1271U-RP (96TB) with Sooloos/Roon core pkg.

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#242071 - 2015-10-28 11:10 Re: New tweeters [Re: Big T]
Registered: 2015-06-11
Posts: 39
gzdad888 Offline
Harmless
gzdad888 Offline
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Registered: 2015-06-11
Posts: 39
Loc: London, UK
Originally Posted By Big T
sounds like the tweeters are stuck in place by the gaskets, you will need to use something like a larger Allen key in one of the screw holes and lever it gently toward the centre, it will give eventually. Don't undo the torx screws under the grill as this holds the front plate to the magnet!

The 1212 units are not a drop in replacement and will require some surgery to the cabinet!

Best IMHO to replace like for like and save yourself the bother!

Also don't cut the cables as you don't have much to play with, best unsolder.

If you want I can take a look at the tweeters, if they are not too far gone I can have them back as new for very little!

If the speakers are old then it's also time to look at getting the amp section recapped.


Thanks!

I did the surgery, and I think I probably agree with you, in hindsight, that I should have just plunked the money on new originals. It was hard work, and the sound is definitely a little different. But, still, much more clarity and sparkle.

Still not much air. But then, I'm running 18 bits and they're pretty close to the back walls.

And who needs air when you can have that kind of timpani roll...

d.


G61R, DSP5000 18k, DSP5200HC, DSP33, D2500, Chromecast Audio, Sony Blu Ray, Epson Projector, a range of other bits and pieces.
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#243560 - 2015-12-05 08:09 Re: New tweeters [Re: Jose_Howay]
Registered: 2004-08-07
Posts: 7,420
Ian Offline
President of the Imperial Galactic Government
Ian Offline
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Registered: 2004-08-07
Posts: 7,420
Loc: Surrey, England, UK
Originally Posted By Jose_Howay
Originally Posted By Big T
Report back when you have tried them out, will be interesting to see what differences you find!
I got new 7200.2 tweeters installed today so far they sounded louder a little less detail at first compared to my H1212 Seas replacements.

I only got a few minutes to play with them. I raised the volume a little higher, then they started to sound a little more detailed So is there a break in period for black dome tweeters?

Update: tweeters are starting to warm up now .


Presumably, as you are now selling your tweeters, this modification did not work out?


Meridian owner since 1992
DSP5000 96/24, MC200, Prime & PSU, Focal Elear, Explorer 1 & 2, F80, 200/203 and various Sonos.
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#243571 - 2015-12-05 15:23 Re: New tweeters [Re: Ian]
Registered: 2014-04-25
Posts: 87
Jose_Howay Offline
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Jose_Howay Offline
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I am selling them because I believe they do not electronically match. I found out they are 4 Ohm . The 7200.2 are definitely louder. I stuck with the h1212 which have more air in my DSP6000 and DSP5000.


861v4 LPSU, DSP6000 (D6000 originally)upgraded 96/24 with H1212 tweeters, DSP5500HC with Excel tweeter 96/24, M33 rear speakers, Explorer 1 to 861v4-Toslink Roon/Tidal. Oppo BDP80 via IA45 card.
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#243578 - 2015-12-05 19:56 Re: New tweeters [Re: Jose_Howay]
Registered: 2004-08-07
Posts: 7,420
Ian Offline
President of the Imperial Galactic Government
Ian Offline
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Registered: 2004-08-07
Posts: 7,420
Loc: Surrey, England, UK
Did you try the little known service "Calibrate Mode" available in some DSP speakers to adjust speaker response?


Meridian owner since 1992
DSP5000 96/24, MC200, Prime & PSU, Focal Elear, Explorer 1 & 2, F80, 200/203 and various Sonos.
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#243595 - 2015-12-06 01:17 Re: New tweeters [Re: Ian]
Registered: 2004-04-20
Posts: 433
Jdb-si Offline
Paranoid android
Jdb-si Offline
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Registered: 2004-04-20
Posts: 433
Loc: New Jersey, USA
I've heard the Seas Excel tweeters with 6000s- they sounded very nice. It was a suggestion from another Hitchhiker on here- cannot remember the thread.


Theater: G68, G98DH, DSP6k, DSP55kC, SW1600x2, DSP55k, Plasma, (Zone 2)
Living room: DSP5k, DSP52kC, SW1600, G68, Sooloos MC600 (Zone 1)
Bedroom: M80
office: SACD, 861v4, DSP6k (Zone 3)
Storage: P350Ws, G55s, M33s, DSP33s, DSP5k, 501, 518, 561
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#243600 - 2015-12-06 09:06 Re: New tweeters [Re: Ian]
Registered: 2008-10-11
Posts: 352
Tarik Offline
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Tarik Offline
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Registered: 2008-10-11
Posts: 352
Loc: Gloucestershire, UK
I understood the black dome tweeters to be a direct replacement for the legacy silver dome tweeter eg in a DSP5000.

If that is the case should the calibrate mode be needed?

If they do need to be re-calibrated how is this achieved and has anyone who has changed tweeters on any model done this?


Lounge: DSP5000 24/96, 518
Snug: 518, C61R
Office: M33

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#243630 - 2015-12-06 14:58 Re: New tweeters [Re: Tarik]
Registered: 2010-02-03
Posts: 731
Mtns Offline
Paranoid android
Mtns Offline
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Registered: 2010-02-03
Posts: 731
Loc: North Carolina, USA
When the black dome tweeters came out, I had just gotten my Sooloos stuff and a used DSP5500 for the center channel. I decided to buy new tweeters all around, as my Dealer in Jacksonville offered to get them for me at his cost.

I scheduled Marc Koval to come and install the tweeters, set up Sooloos and tweak my system. Marc asked why I got new tweeters. I told him I thought they would be somewhat unbalanced in their output, as the speakers were sourced at three different times and were on average 10+ years old. He explained that is what calibration mode is about (see Ian's post above).

In response to your question, I assume (did not do this myself) the activity is accessed from the configuration/setup programs. Someone with more detailed knowledge will probably expand on what I have said here.


James
NC1: 861v4+ID40, 218, MS200 (to outdoors), DSP8000SE (upgraded). 5500VC, 5500s, Hsu Research ULS15x2, DirecTV, Oppo BD103, QNAP251, Roon
NC2-see FL 2 with Triad Silver Speakers

FL1: G61R, 218, DSP8000SEs, 5500HC, DSP6000s, MS600, DirecTv, Oppo BD103, QNAP469, Roon
FL2: Marantz 7005, M60s, M60C, M33s, Oppo BDP-93, MS200, Roon
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#261984 - 2017-03-23 17:32 Re: New tweeters [Re: Rodney Gold]
Registered: 2008-02-04
Posts: 3
J in Ibiza Offline
Harmless
J in Ibiza Offline
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Registered: 2008-02-04
Posts: 3
Loc: Valencia, Spain
I'm confused.

I ordered two SEAS H519 25TFFC NEW 2015 Manufacture tweeters as replacements for my D6000s.

Fitted one, turned the speakers on and got no sound from the speaker with the new tweeter. The other speaker with the original tweeter worked fine.

I have put the original tweeter back and both speakers are working normally.

My first thought was that the impedance of the new tweeters I have bought is 6 ohms, whereas I believe the originals were 4 ohms. However, I believe the Millennium Excels that several people have used is also 6 ohms.

Is the impedance the problem, or what else could the problem be?

Thanks in advance for any help.

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#261988 - 2017-03-23 17:47 Re: New tweeters [Re: J in Ibiza]
Registered: 2007-09-23
Posts: 1,556
Syles Offline
Working on the ultimate question
Syles Offline
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Registered: 2007-09-23
Posts: 1,556
Loc: London, UK
4 to 6 ohms wouldn't result in no sound; a little lower dB due to the higher impedance, but there would still be sound.

I think your 'new' tweeters are broken.

All the best,

Steve


-
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#262035 - 2017-03-23 23:45 Re: New tweeters [Re: Syles]
Registered: 2004-04-20
Posts: 433
Jdb-si Offline
Paranoid android
Jdb-si Offline
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Registered: 2004-04-20
Posts: 433
Loc: New Jersey, USA
Can confirm using the Excel Milleniums worked perfectly. Probably broken tweeter as Steve suggests.


Theater: G68, G98DH, DSP6k, DSP55kC, SW1600x2, DSP55k, Plasma, (Zone 2)
Living room: DSP5k, DSP52kC, SW1600, G68, Sooloos MC600 (Zone 1)
Bedroom: M80
office: SACD, 861v4, DSP6k (Zone 3)
Storage: P350Ws, G55s, M33s, DSP33s, DSP5k, 501, 518, 561
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#262049 - 2017-03-24 07:11 Re: New tweeters [Re: Syles]
Registered: 2008-02-04
Posts: 3
J in Ibiza Offline
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J in Ibiza Offline
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Loc: Valencia, Spain
Steve, thanks for the input. Do you think its possible the problem could be that I tried powering up the system with 1 new and 1 old tweeter and this confused the electronics?

BTW, it wasn't just no sound from the tweeter - there was no sound from any of the drivers on the speaker with the new tweeter, but the other speaker was OK.

John

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#262051 - 2017-03-24 07:35 Re: New tweeters [Re: J in Ibiza]
Registered: 2007-09-23
Posts: 1,556
Syles Offline
Working on the ultimate question
Syles Offline
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The symptoms you describe make me think that either the new tweeter is short circuit, or that you shorted something when connecting it.

This may have caused the loudspeaker to go into a safe mode and shut the amplifiers down to prevent damage.

Have you any way of testing the tweeters; a simple multimeter could confirm a short or open circuit

All the best,

Steve


-
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#262066 - 2017-03-24 11:51 Re: New tweeters [Re: Syles]
Registered: 2008-02-04
Posts: 3
J in Ibiza Offline
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Thanks Steve.

OK, this is what I did. Tested the tweeters - no short.

I decided to install both tweeters, and hey presto - they're working perfectly. I think you were right, that I must have shorted something the first time. Anyway, I'm very happy now everything's working. I should have changed the tweeters years ago - they are 25 years old, and now the speakers sound better than I can ever remember.

So for anyone thinking about replacing their tweeters - just do it, its really worth it. Its like having a new set of speakers again.

I used SEAS H519 25TFFC NEW 2015 Manufacture and no mods were necessary - they dropped straight in, albeit, because the flanges are not as deep, they are recessed a millimetre or two.

Best regards,

John

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#271516 - 2018-01-07 18:36 Re: New tweeters [Re: J in Ibiza]
Registered: 2016-10-31
Posts: 102
Nstzya Offline
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Nstzya Offline
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Registered: 2016-10-31
Posts: 102
Loc: Indianapolis, USA
At the risk of inciting a huge groan of protest about dredging this thread out of the dust bin ... again! ... my apologies.

Having read through all 7 pages, I am no closer to understanding what a current true drop in replacement is for the original 18 bit DSP5000 Silver voice coil/Silver dome tweeter? I have seen SEAS H539, H519, a black dome (not sure which model), etc...

Although I built a Hafler power amp kit back in college, I was a naive kid back then and kinda oblivious... Wizened by experiences since, I am already intimidated by the notion of what sounds like needing to solder in any replacement and overheating and melting a voice-coil in the process. I am definitely not interested in lathing off flange thickness, or routing, filing, or otherwise modifying the cabinet. I’d like a true drop in replacement. And if that is the OEM, where to get two in the USA since that seems to be an issue as well... Not sure that I saw that any of the “improvement” options was a drop-in, but if there is... Personally, I don’t care if something is a millimeter or two proud or shallow either.

I imagine those following me here into this wormhole would like such a definitive summary of the state of tweeter update/replacement/rejuvenation for legacy DSP speakers as of early 2018... so if one of the sage wise men would indulge us with a bit of their wisdom/time?

Thanks
-Scott

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#271527 - 2018-01-08 04:37 Re: New tweeters [Re: Nstzya]
Registered: 2009-11-10
Posts: 1,271
CMB Integrations - Bruce Offline
Meridian Partner Working on the ultimate question
CMB Integrations - Bruce Offline
Meridian Partner
Working on the ultimate question

Registered: 2009-11-10
Posts: 1,271
Loc: Lexington, South Carolina, USA
I keep them in stock. They are very easy to change out


www.cmbintegrations.com

Personal System #1 Theta Digital Cassablanca 4, 218, DSP8000.2SE, DSP7200SEHC, Revel F228be, Revel B112, Monitor Audio Silver 10, ATI 200WX5 Amp, JVC RS15, Shunyata Denali 600S, Black Diamond Zero Edge screen. QNAP TS-251 3TB
Mark Levinson No515 Turntable

Crestron control and multi room audio via Meridian 258 amplifiers.
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#272871 - 2018-02-08 17:20 Re: New tweeters [Re: CMB Integrations - Bruce]
Registered: 2016-10-31
Posts: 102
Nstzya Offline
Hitchhiker
Nstzya Offline
Hitchhiker

Registered: 2016-10-31
Posts: 102
Loc: Indianapolis, USA
Originally Posted By CMB Integrations - Bruce
25 TAFC/GW-BS1 H 1054-6ohm. Exact match for originals.
To clarify for modern day readers, are you talking about these? And are they still manufactured? Looks like these might need to be on the every 10 year service plan... at least until the rest of the kit wears out...


Bottom: DSP5000/18, 500.2, Bluesound Node 2 (MQA)
On Top: (of DSP5000/18) KEF LS50Wireless, Velodyne Optimum 8
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#272872 - 2018-02-08 17:24 Re: New tweeters [Re: Nstzya]
Registered: 2009-11-10
Posts: 1,271
CMB Integrations - Bruce Offline
Meridian Partner Working on the ultimate question
CMB Integrations - Bruce Offline
Meridian Partner
Working on the ultimate question

Registered: 2009-11-10
Posts: 1,271
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Yes. If you like I can tell when the ones I have in stock were made.


www.cmbintegrations.com

Personal System #1 Theta Digital Cassablanca 4, 218, DSP8000.2SE, DSP7200SEHC, Revel F228be, Revel B112, Monitor Audio Silver 10, ATI 200WX5 Amp, JVC RS15, Shunyata Denali 600S, Black Diamond Zero Edge screen. QNAP TS-251 3TB
Mark Levinson No515 Turntable

Crestron control and multi room audio via Meridian 258 amplifiers.
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#272923 - 2018-02-09 22:24 Re: New tweeters [Re: CMB Integrations - Bruce]
Registered: 2016-10-31
Posts: 102
Nstzya Offline
Hitchhiker
Nstzya Offline
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Registered: 2016-10-31
Posts: 102
Loc: Indianapolis, USA
Bruce, for everyone’s FYI, are they still making them? Can you get more down the road?

Thanks


Bottom: DSP5000/18, 500.2, Bluesound Node 2 (MQA)
On Top: (of DSP5000/18) KEF LS50Wireless, Velodyne Optimum 8
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#272924 - 2018-02-09 22:39 Re: New tweeters [Re: Nstzya]
Registered: 2009-11-10
Posts: 1,271
CMB Integrations - Bruce Offline
Meridian Partner Working on the ultimate question
CMB Integrations - Bruce Offline
Meridian Partner
Working on the ultimate question

Registered: 2009-11-10
Posts: 1,271
Loc: Lexington, South Carolina, USA
The last bunch I got in were made in 2015. I cannot say for sure if they are still being manufactured or not.


www.cmbintegrations.com

Personal System #1 Theta Digital Cassablanca 4, 218, DSP8000.2SE, DSP7200SEHC, Revel F228be, Revel B112, Monitor Audio Silver 10, ATI 200WX5 Amp, JVC RS15, Shunyata Denali 600S, Black Diamond Zero Edge screen. QNAP TS-251 3TB
Mark Levinson No515 Turntable

Crestron control and multi room audio via Meridian 258 amplifiers.
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#273213 - 2018-02-15 13:37 Re: New tweeters [Re: MacGuy]
Registered: 2016-10-31
Posts: 102
Nstzya Offline
Hitchhiker
Nstzya Offline
Hitchhiker

Registered: 2016-10-31
Posts: 102
Loc: Indianapolis, USA
Originally Posted By MacGuy
I wonder how the audio would have sounded in Apple products if Steve Jobs had been a Meridian fan? cool
Might be sacrilege to discuss here, but I recently trialed a set of Devialet Phantom Golds. I think that is how. And their current path to catch up would be to acquire them, but when I suggested that (tongue in cheek) on their forum, it was met with quite lucid arguments about how Apple has become dumbed down consumer grade mass market, rather than the cutting edge innovator Jobs was to digital music. Apple is obviously doing quite well at what they’re doing, but I think they have fallen woefully behind in audio. They’ve shown their arse with Beats acquisition, so I would expect Bose rather than Devialet. Their HomePod is certainly a Bose knock off.


Bottom: DSP5000/18, 500.2, Bluesound Node 2 (MQA)
On Top: (of DSP5000/18) KEF LS50Wireless, Velodyne Optimum 8
Top
#273294 - 2018-02-17 21:11 Re: New tweeters [Re: gzdad888]
Registered: 2016-10-31
Posts: 102
Nstzya Offline
Hitchhiker
Nstzya Offline
Hitchhiker

Registered: 2016-10-31
Posts: 102
Loc: Indianapolis, USA
Originally Posted By gzdad888
... I bought some replacement tweeters. ... But, question is, how to fit them? I sat down just now, unscrewed the originals carefully, and tried to prise them out and... they just didn't budge.
With some feminine ingenuity/advice/input from my better half, I have manufactured an extraction tool (patent pending). Take Bobbie hair pin, unfold, snip off bulbous end with wire cutter section of needle nose pliers, bend just the tip to 90 degrees, insert in screw hole, catch the back of faceplate, and pull loose. Just be careful that as it breaks free from gasket it doesn’t t fall out and swing into your mid woof.

I was surprised to find my DSP 5K to be H715’s (25 TAFD/GW-BS) made 06/97. Was thinking I’d try ferrofluid refurbishment at my local speaker repair place (only $50/pair) first, but considering that I’m also considering 24/96 board upgrade and those would definitely not be EQ’d for H715’s, not so sure...


Bottom: DSP5000/18, 500.2, Bluesound Node 2 (MQA)
On Top: (of DSP5000/18) KEF LS50Wireless, Velodyne Optimum 8
Top
#273298 - 2018-02-18 00:29 Re: New tweeters [Re: Nstzya]
Registered: 2010-02-03
Posts: 731
Mtns Offline
Paranoid android
Mtns Offline
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Registered: 2010-02-03
Posts: 731
Loc: North Carolina, USA
I don’t understand your last sentence. I am not aware that the boards are EQ’ed for different tweeters. I think a new black tweeter is expected to blend with the prior model, which have basically the same specifications and are also made by SEAS, if I understand correctly.

If not I will soon stand corrected😀 In setup you will match the loudness levels.


James
NC1: 861v4+ID40, 218, MS200 (to outdoors), DSP8000SE (upgraded). 5500VC, 5500s, Hsu Research ULS15x2, DirecTV, Oppo BD103, QNAP251, Roon
NC2-see FL 2 with Triad Silver Speakers

FL1: G61R, 218, DSP8000SEs, 5500HC, DSP6000s, MS600, DirecTv, Oppo BD103, QNAP469, Roon
FL2: Marantz 7005, M60s, M60C, M33s, Oppo BDP-93, MS200, Roon
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#273321 - 2018-02-18 19:47 Re: New tweeters [Re: Mtns]
Registered: 2006-11-29
Posts: 36
Remy0667 Offline
Harmless
Remy0667 Offline
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Registered: 2006-11-29
Posts: 36
Loc: Alsace, France
Hello ,

I have 3 DSP5200 legacy speaker , and I want to change the 3 tweeter. What is the exact model that I have to buy? The Seas h1212 ? The Seas Excel tweeter ?

Thank’s in advance .


Bye,
Rmy
861v4 + LPS + sw8.0 , G98 , DSP5200, DSP5200HC, HD621 , Power conditioner Gigawatt PC3 SE EVO, Oppo 83 Nuforce, G55, surround and side Klipsch RB62 ,Velodyne SPL1200R,Pioneer Kuro LX6090H , MPC Audio Absolute power cords.
Edited by Remy0667; 2018-02-18 20:06.
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#273327 - 2018-02-18 20:25 Re: New tweeters [Re: Remy0667]
Registered: 2016-10-31
Posts: 102
Nstzya Offline
Hitchhiker
Nstzya Offline
Hitchhiker

Registered: 2016-10-31
Posts: 102
Loc: Indianapolis, USA
Originally Posted By Nstzya
Originally Posted By CMB Integrations - Bruce
25 TAFC/GW-BS1 H 1054-6ohm. Exact match for originals.
To clarify for modern day readers, are you talking about these? And are they still manufactured? Looks like these might need to be on the every 10 year service plan... at least until the rest of the kit wears out...
Read about a page back. Bruce stocks them.

The H1212’s are similar but not OEM and require some modification of cabinets and new holes. But cheaper.

Excel is much more$$ and requires modification of its faceplate to fit in.


Bottom: DSP5000/18, 500.2, Bluesound Node 2 (MQA)
On Top: (of DSP5000/18) KEF LS50Wireless, Velodyne Optimum 8
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#273328 - 2018-02-18 20:41 Re: New tweeters [Re: Mtns]
Registered: 2016-10-31
Posts: 102
Nstzya Offline
Hitchhiker
Nstzya Offline
Hitchhiker

Registered: 2016-10-31
Posts: 102
Loc: Indianapolis, USA
Originally Posted By Mtns
I don’t understand your last sentence. I am not aware that the boards are EQ’ed for different tweeters. I think a new black tweeter is expected to blend with the prior model, which have basically the same specifications and are also made by SEAS, if I understand correctly.

If not I will soon stand corrected😀 In setup you will match the loudness levels.
As we’ve talked a bit privately, as each OEM tweeter model gets retired by SEAS, and a new replacement one is commissioned, they may attempt to make it electrically and physically similar to maintain similar characteristics and rearward compatibility, but the operative word is similar. Heck, tweeters within the same manufacturing run of the same model vary enough as it is.

There is no way that a new model is EXACTLY the same. So if I have full control over DSP firmware EQ of the tweeter, as Meridian does, you can bet they tweak the DSP EQ accordingly when a new tweeter model is introduced. Hence, the DSP EQ curve will vary somewhat on a board made when they used the H715 vs one later when they used the H539 and again when they used the one mentioned here.

Now the differences may not be dramatic, not noticeable even to some, but they gotta be there. Might be academic, but isn’t 90% of what is discussed on here?!? smirk


Bottom: DSP5000/18, 500.2, Bluesound Node 2 (MQA)
On Top: (of DSP5000/18) KEF LS50Wireless, Velodyne Optimum 8
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#273329 - 2018-02-18 23:32 Re: New tweeters [Re: Nstzya]
Registered: 2016-10-31
Posts: 102
Nstzya Offline
Hitchhiker
Nstzya Offline
Hitchhiker

Registered: 2016-10-31
Posts: 102
Loc: Indianapolis, USA
From the other thread “Meridian Tweeters”:
Originally Posted By VirusKiller
Originally Posted By George Mills
I don't know if the electronics are calibrated to individual tweeters or not.
I don't think so. Bound to be different for different tweeter models though!


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