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#265020 - 2017-06-06 09:25 Is there a link to some Linear PSUs for the G68?
Registered: 2004-01-04
Posts: 1,905
gIzzE Offline
Knows where his towel is
gIzzE Offline
Knows where his towel is

Registered: 2004-01-04
Posts: 1,905
Loc: Norwich, UK
As the title really, is there any current links for a Linear PSU for my G68?

I have spent last night reading all the posts but can't seem to find any threads showing where to buy them currently etc.

Many thanks

G


No Darling, I've had it months!
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#265021 - 2017-06-06 10:11 Re: Is there a link to some Linear PSUs for the G68? [Re: gIzzE]
Registered: 2009-11-10
Posts: 1,391
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: 1,391
Loc: Lexington, South Carolina, USA
While I am sure that eventually someone will figure out who manufactures and supplies the torriodal transformer that comes in a LPSU upgrade kit, what you wont get is the mounting bracket and other goodies that make the replacement clean, simple, and safe. Please keep in mind that an LPS weighs at least 20 times more than the switch mode version and will need to be securely mounted to the G68 chassis. In the 8 series units the LPS kit includes a backing plate to reinforce the chassis where the LPS bracket bolts to.


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 6000S, Alpha power cables, Black Diamond Zero Edge screen. QNAP TS-251 3TB
Mark Levinson No515 Turntable

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#265022 - 2017-06-06 12:40 Re: Is there a link to some Linear PSUs for the G68? [Re: CMB Integrations - Bruce]
Registered: 2009-10-13
Posts: 153
Fitcaz Offline
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Fitcaz Offline
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Posts: 153
Loc: SE England


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#265028 - 2017-06-06 15:35 Re: Is there a link to some Linear PSUs for the G68? [Re: Fitcaz]
Registered: 2004-01-04
Posts: 1,905
gIzzE Offline
Knows where his towel is
gIzzE Offline
Knows where his towel is

Registered: 2004-01-04
Posts: 1,905
Loc: Norwich, UK
Thanks for that.

Problem is, I couldn't get £600 for my G68 recently, so the thought of spending £500 on putting a new PSU in to see if I can hear a difference is not all that appealing. Haha


No Darling, I've had it months!
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#265030 - 2017-06-06 16:40 Re: Is there a link to some Linear PSUs for the G68? [Re: gIzzE]
Registered: 2009-11-10
Posts: 1,391
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: 1,391
Loc: Lexington, South Carolina, USA
Truly understood


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 6000S, Alpha power cables, Black Diamond Zero Edge screen. QNAP TS-251 3TB
Mark Levinson No515 Turntable

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#265034 - 2017-06-06 18:06 Re: Is there a link to some Linear PSUs for the G68? [Re: CMB Integrations - Bruce]
Registered: 2000-06-08
Posts: 272
Marc Koval Offline
Hitchhiker
Marc Koval Offline
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Registered: 2000-06-08
Posts: 272
Loc: Dglv, Georgia, USA
Bruce;

The torrid is a custom wound unit. Not an off the shelf unit.

If you want one you will need to buy from Meridian.

Marc


Marc Koval
The Repair Shop
404-585-1102
marc<dot>koval<at>gmail<dot>com

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#265047 - 2017-06-07 09:44 Re: Is there a link to some Linear PSUs for the G68? [Re: Marc Koval]
Registered: 2004-01-04
Posts: 1,905
gIzzE Offline
Knows where his towel is
gIzzE Offline
Knows where his towel is

Registered: 2004-01-04
Posts: 1,905
Loc: Norwich, UK
I don't care if I have to modify it at all, just that there are quite a few threads from people like Nick who added Linear supplies, but those threads are now a bit out of date.

Even an external one would be fine.

Any ideas folks?


No Darling, I've had it months!
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#265048 - 2017-06-07 09:54 Re: Is there a link to some Linear PSUs for the G68? [Re: Marc Koval]
Registered: 2009-10-13
Posts: 153
Fitcaz Offline
Hitchhiker
Fitcaz Offline
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Registered: 2009-10-13
Posts: 153
Loc: SE England
I had a look at doing it myself once. You can find, occasionally, second hand linear PSUs that are suitable for £100+ on eBay, that will fit the space in a G68 with modification. I could not see that I could buy anything new that was suitable or cost effective or make something compact enough to fit.
I also questioned the benefit in a G68 of a linear PSU in my system since I only use it as a digital preamp/controller and could not see how it would help (better power reserves, less supersonic noise, lower source impedance?) so gave up.


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#265062 - 2017-06-07 18:34 Re: Is there a link to some Linear PSUs for the G68? [Re: Fitcaz]
Registered: 2000-05-28
Posts: 8,666
Fiddler Offline
President of the Imperial Galactic Government
Fiddler Offline
President of the Imperial Galactic Government

Registered: 2000-05-28
Posts: 8,666
Loc: Northeastern, USA
The ONLY reason I had my G61 upgraded was piece of mind in lowering the risk of it frying itself (which happened twice on the G68 and took other boards with it BOTH times).

It's running MUCH cooler than the G68 ever did with Switching Power Supply (all 3). G61 cabinet feels at room temp on standby with factory LPS. Where G68 always felt warm (even in winter) and sometimes fairly hot, on a hot summer day with a Movie playing (which I have not done yet on the G61).

I even had a fan added to the G61, but I doubt it will ever come on.


- Fiddler (IMHO)

If you think listening to music is fun, try learning an instrument.
HT: G61RSL, 4x5K, 5.5KHC, 2xSC6000, Transporter, HD621, Philips BDP7501 4K, Tivo, 65" LG OLED 4K C6
Computer: Foobar2000, 5K, Mojo, HiFiMan HE1000 V2
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#265141 - 2017-06-10 17:10 Re: Is there a link to some Linear PSUs for the G68? [Re: gIzzE]
Registered: 2016-11-27
Posts: 180
Struttmaster Offline
Hitchhiker
Struttmaster Offline
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Registered: 2016-11-27
Posts: 180
Loc: Gold Coast, Queensland, Austra...
Wavetrain, the M distributor in Oz has recommended that I get a linear PSU for my G68, I was quoted $300 - 400 Australian, including fitting.

I am holding out, hoping my Thor smart power 10 will keep things smooth enough to get many more years out of my switched PSU.


HT: G68ADV w/LPS, HD621, 5000C, Marantz BD, 218, REL SW, analogue fronts & DSP5000 rears.
Office: Fanless 7i5 running ROCK, Prime PS & HP amp, Woo Audio WA2 (w/50yo Tung-Sol tubes), Focal Utopia
Family Room: Allo digi, 568.2mm, 598, 3100's, REL SW
Upstairs: SBT, Explorer2
BBQ/Party: Raspberry Pi, F80
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#265145 - 2017-06-11 01:12 Re: Is there a link to some Linear PSUs for the G68? [Re: Struttmaster]
Registered: 2000-05-28
Posts: 8,666
Fiddler Offline
President of the Imperial Galactic Government
Fiddler Offline
President of the Imperial Galactic Government

Registered: 2000-05-28
Posts: 8,666
Loc: Northeastern, USA
Good luck, you'll need it smile


- Fiddler (IMHO)

If you think listening to music is fun, try learning an instrument.
HT: G61RSL, 4x5K, 5.5KHC, 2xSC6000, Transporter, HD621, Philips BDP7501 4K, Tivo, 65" LG OLED 4K C6
Computer: Foobar2000, 5K, Mojo, HiFiMan HE1000 V2
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#265159 - 2017-06-11 12:07 Re: Is there a link to some Linear PSUs for the G68? [Re: Fiddler]
Registered: 2016-11-27
Posts: 180
Struttmaster Offline
Hitchhiker
Struttmaster Offline
Hitchhiker

Registered: 2016-11-27
Posts: 180
Loc: Gold Coast, Queensland, Austra...
Yeah I guess Fiddler. Been lucky for the last 8 years, don't want to push it. Best to get it done


HT: G68ADV w/LPS, HD621, 5000C, Marantz BD, 218, REL SW, analogue fronts & DSP5000 rears.
Office: Fanless 7i5 running ROCK, Prime PS & HP amp, Woo Audio WA2 (w/50yo Tung-Sol tubes), Focal Utopia
Family Room: Allo digi, 568.2mm, 598, 3100's, REL SW
Upstairs: SBT, Explorer2
BBQ/Party: Raspberry Pi, F80
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#265163 - 2017-06-11 12:44 Re: Is there a link to some Linear PSUs for the G68? [Re: Struttmaster]
Registered: 2012-10-22
Posts: 686
Albert Offline
Paranoid android
Albert Offline
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Registered: 2012-10-22
Posts: 686
Loc: Shanghai, China
Hey, don't say that grin


HT: Audiocom Oppo203 signature with Vanity HD/HD621 861v8, DSP6Ks(LCR), DSP5200.1
Revel b112 b110 AntimodeX4 JVCx790
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#265226 - 2017-06-13 22:32 Re: Is there a link to some Linear PSUs for the G68? [Re: gIzzE]
Registered: 2007-05-17
Posts: 288
Longitude0 Online content
Hitchhiker
Longitude0 Online content
Hitchhiker

Registered: 2007-05-17
Posts: 288
Loc: Gerrards Cross, UK
I have sent you a PM, gizzE


Cinema: 861v8, ID40,UHD722,800v4,DSP5200SE(2+C), DSP3300(4),DSW,+ various recorders and streamers.
TV+Music: MS200(x2),Explorer2,QNAP TS253A,DSP33(2), 3xC10s,Ensemble, Twinstore, 218
Music: All Quad incl ESL63.
Kitchen: AD88 (bluetoothed via its I80 dock).
Spare: 101, M2(2) 104 Tuner
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#265228 - 2017-06-13 23:05 Re: Is there a link to some Linear PSUs for the G68? [Re: Struttmaster]
Registered: 2000-05-28
Posts: 8,666
Fiddler Offline
President of the Imperial Galactic Government
Fiddler Offline
President of the Imperial Galactic Government

Registered: 2000-05-28
Posts: 8,666
Loc: Northeastern, USA
8 years !! I would at least replace the switching power supply if it's that old. They are fairly cheap and easy to replace.


- Fiddler (IMHO)

If you think listening to music is fun, try learning an instrument.
HT: G61RSL, 4x5K, 5.5KHC, 2xSC6000, Transporter, HD621, Philips BDP7501 4K, Tivo, 65" LG OLED 4K C6
Computer: Foobar2000, 5K, Mojo, HiFiMan HE1000 V2
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#265232 - 2017-06-14 05:57 Re: Is there a link to some Linear PSUs for the G68? [Re: Fiddler]
Registered: 2016-11-27
Posts: 180
Struttmaster Offline
Hitchhiker
Struttmaster Offline
Hitchhiker

Registered: 2016-11-27
Posts: 180
Loc: Gold Coast, Queensland, Austra...
I'll get onto it Fiddler, Cheers


HT: G68ADV w/LPS, HD621, 5000C, Marantz BD, 218, REL SW, analogue fronts & DSP5000 rears.
Office: Fanless 7i5 running ROCK, Prime PS & HP amp, Woo Audio WA2 (w/50yo Tung-Sol tubes), Focal Utopia
Family Room: Allo digi, 568.2mm, 598, 3100's, REL SW
Upstairs: SBT, Explorer2
BBQ/Party: Raspberry Pi, F80
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#265234 - 2017-06-14 06:51 Re: Is there a link to some Linear PSUs for the G68? [Re: gIzzE]
Registered: 2009-11-29
Posts: 1,146
Shaun Offline
Pan-dimensional being
Shaun Offline
Pan-dimensional being

Registered: 2009-11-29
Posts: 1,146
Loc: Isle of Man
Originally Posted By gIzzE
Problem is, I couldn't get £600 for my G68 recently, so the thought of spending £500 on putting a new PSU in to see if I can hear a difference is not all that appealing.
I thought long and hard about that. But living on the Isle of Man with no dealers etc. I opted for M to do it. It does sound better but not £700 better! Hopefully, it will last for years!


M owner since 207 CD player
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#265235 - 2017-06-14 06:53 Re: Is there a link to some Linear PSUs for the G68? [Re: Fiddler]
Registered: 2009-11-29
Posts: 1,146
Shaun Offline
Pan-dimensional being
Shaun Offline
Pan-dimensional being

Registered: 2009-11-29
Posts: 1,146
Loc: Isle of Man
Originally Posted By Fiddler
The ONLY reason I had my G61 upgraded was piece of mind in lowering the risk of it frying itself (which happened twice on the G68 and took other boards with it BOTH times).

It's running MUCH cooler than the G68 ever did with Switching Power Supply (all 3). G61 cabinet feels at room temp on standby with factory LPS. Where G68 always felt warm (even in winter) and sometimes fairly hot, on a hot summer day with a Movie playing (which I have not done yet on the G61).

I even had a fan added to the G61, but I doubt it will ever come on.


Same here lol


M owner since 207 CD player
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#265244 - 2017-06-14 19:53 Re: Is there a link to some Linear PSUs for the G68? [Re: Shaun]
Registered: 2000-06-12
Posts: 84
RonnieBr Offline
Hitchhiker
RonnieBr Offline
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Registered: 2000-06-12
Posts: 84
Loc: Fife, UK
My G68J started showing what I thought were some worrying signs - occasional minor thuds through the subwoofer while on standby, volume control sluggish and very occasionally the centre channel would stop working until it was rebooted.

I had bought it secondhand through the restaurant around 6 years ago and when I opened it up I discovered it still had the original UMEC power supply which allegedly could fail high and take out some boards with it.

Around the same time I noticed a G68XXV on eBay being sold by a dealer I had done business with before and decided to go for it and asked them to upgrade it to the Meridian Linear PSU at the same time.

I have to say I'm really pleased with the sound of the new (to me) G68. It really seems like a very decent step up - but I do realise that I've changed multiple things at once. As well as the PSU change I'm now able to use balanced connections to my Bryston power amp and I suspect that the balanced output boards on the G68 may have a slightly different sonic balance as well as better noise immunity.

I liked the sound so much I ended up buying a Raspberry PI and a lifetime Roon subscription grin.

The only "downside" is that I still get the occasional minor thuds through the subwoofer (probably something electrically noisy in the neighbourhood) and I've also had the center channel dropout on the new G68 (it only seems to happen with the optical out from my Sony Android TV so it's probably the TV).

I've fitted a new XP power supply to the G68J and it seems to be running fine but given the prices they seem to be going for just now I'll probably hold on to it as a spare.

-Ronnie


G68XXV, HD621, Bryston 9B-SST, B&W N805+HTM2+SCM1, M&K VX-100 ...
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#274980 - 2018-04-09 20:33 Re: Is there a link to some Linear PSUs for the G68? [Re: gIzzE]
Registered: 2013-03-12
Posts: 86
Rick415 Offline
Mostly harmless
Rick415 Offline
Mostly harmless

Registered: 2013-03-12
Posts: 86
Loc: San Francisco, USA
Glzze, what did you find in the end?

I’d like to upgrade my G68ADV before the switcher dies.

An external supply would be fine but the hassle of finding a case, making cables, etc isn’t appealing. I’ll do some digging to see if I can find one already in a case... Might even be able to use it to supply other gear as well...

Rick


G68ADV, DSP3100, Rythmik F12 sub, RPi2 with Sbooster LPS, Allo SPDIF board and Roon
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#274981 - 2018-04-09 21:03 Re: Is there a link to some Linear PSUs for the G68? [Re: Rick415]
Registered: 2004-01-04
Posts: 1,905
gIzzE Offline
Knows where his towel is
gIzzE Offline
Knows where his towel is

Registered: 2004-01-04
Posts: 1,905
Loc: Norwich, UK
I didn't, I sold the G68 in the end.

Moved away from DSPs, regretting it. Haha.

Blip Longitude0 a PM as he has a spare linear one that will work. I was going to grab it and completely forget to be honest.

Although shipping maybe too expensive. But he can tell you what the part/model is he used and maybe source locally?


No Darling, I've had it months!
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#274982 - 2018-04-09 21:16 Re: Is there a link to some Linear PSUs for the G68? [Re: gIzzE]
Registered: 2013-03-12
Posts: 86
Rick415 Offline
Mostly harmless
Rick415 Offline
Mostly harmless

Registered: 2013-03-12
Posts: 86
Loc: San Francisco, USA

Thanks, will do.


G68ADV, DSP3100, Rythmik F12 sub, RPi2 with Sbooster LPS, Allo SPDIF board and Roon
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#274986 - 2018-04-09 22:37 Re: Is there a link to some Linear PSUs for the G68? [Re: Rick415]
Registered: 2007-07-11
Posts: 1,052
Kswanson Online content
Pan-dimensional being
Kswanson Online content
Pan-dimensional being

Registered: 2007-07-11
Posts: 1,052
Loc: San Diego area, CA, USA
Try Marc Koval. He fitted a new linear power supply and recapped my G68. Sounds great.

Ken


Main: G68J, 5K2s, 5Ks, HSU subs, Pio 151FD, Dish VP722, Roku, Wadia I70, Anti Mode Dual Core, Oppo 103D Vanity Lite
Office: SBT, Berkeley Series 2/MQA, Audience 2+2v2, Hegel, JL e110, Dual Core, 218, Roon.
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