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#200762 - 2013-11-15 00:24 Re: 568.2mm Calibration and Trifield Setup [Re: Syles]
Registered: 2012-04-17
Posts: 1,902
3dit0r Offline
Knows where his towel is
3dit0r Offline
Knows where his towel is

Registered: 2012-04-17
Posts: 1,902
Loc: South UK
Hi Steve,

Thanks, that's interesting, it's almost the opposite effect on mine, struggling for bass weight at the moment so I def need to Config the speaker sizes tonight, I think!

Speaking of which, sorry for such a basic question, but is MConfig for legacy components such as 568 now installed as part of the Common Installer? It's the only download I could find on the M site?

Cheers,

James


818v3, DSP7200.2, Oppo BDP-105, Sony VPL-HW55ES projector, Kimber Mains Cables, Russ Andrews Torlyte Equipment Rack and Mains Filtration, GIK Acoustics Room Treatments
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#200763 - 2013-11-15 00:30 Re: 568.2mm Calibration and Trifield Setup [Re: 3dit0r]
Registered: 2010-12-09
Posts: 3,530
Ratbert Offline
Ravenous Bugblatter Beast of Traal
Ratbert Offline
Ravenous Bugblatter Beast of Traal

Registered: 2010-12-09
Posts: 3,530
Loc: Europe
Hi 3dit0r

Is this what you need?

Russ


Never pass up a good chance to shut up!
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#200772 - 2013-11-15 02:02 Re: 568.2mm Calibration and Trifield Setup [Re: 3dit0r]
Registered: 2010-10-08
Posts: 77
NetChord Offline
Mostly harmless
NetChord Offline
Mostly harmless

Registered: 2010-10-08
Posts: 77
Loc: Swarthmore, Pennsylvania, USA
I wonder if there's a speaker phase issue, specifically whether the center speaker is out of phase with either the left or the right speaker, or both.


Drobo-->FW 800-->mac mini-->Ethernet
Transporter--> Wireworld Eclipse 6 coax-->Meridian G61
G61--> Nordost Red Dawn-->Primare 30.3
Primare-->Ocos--Vienna Acoustics Beethoven/Maestro
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#200775 - 2013-11-15 02:22 Re: 568.2mm Calibration and Trifield Setup [Re: NetChord]
Registered: 2001-05-23
Posts: 2,719
Gianni Offline
Great Green Arkleseizure
Gianni Offline
Great Green Arkleseizure

Registered: 2001-05-23
Posts: 2,719
Loc: North London, United Kingdom
I would double check the siding (L vs. R) of the speakers too. This doesn't sound correct at all.


Wonderful perfect quadraphonic sound with distortion levels so low as to make a brave man weep smile
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#200803 - 2013-11-15 08:12 Re: 568.2mm Calibration and Trifield Setup [Re: Gianni]
Registered: 2012-04-17
Posts: 1,902
3dit0r Offline
Knows where his towel is
3dit0r Offline
Knows where his towel is

Registered: 2012-04-17
Posts: 1,902
Loc: South UK
Guys,

Downloaded the software (thanks for the link) and did a full setup tonight, which is a lot easier than I thought it would be (mind you, I have now read the manual about 50 times!).

Anyway, having set the centre to Small DSP 96/24 and the mains to Large DSP 96/24, things are sounding better, although I can't tell completely, because it's too late to turn things up to normal listening levels now.

I set no sides/rears/subs, because I have none, and wondered why there were still crossover settings not greyed out, though, since I have no subs - is that normal?

Now, on the various presets in 2-ch, I can hear a difference in spatial cues and clarity, but not so much of a lack of bass as before, just a different presentation - it seems the different presets suit different recordings, which is useful. I seem to like the Music preset on a lot of tracks, which seems to balance good tonality with better stereo imaging, but must admit Trifield is remarkable in it's ability to 'put you in the concert hall'. Tonally, I don't find Trifield quite as neutral, though, so again, recording dependent - it would probably be brilliant on slightly muddy recordings?

Once I do the slightly more complex setup including the 818 direct to the 5Ks, I'll be able to do a more direct comparison between the two, which will be fascinating indeed!

Setting the correct speaker sizes seems to have compensated better for the background music issue in 5.1 too, although I still personally prefer it with centre set to -3.0dB to give me a higher music to dialogue balance.

I'm amazed at the flexibility of the unit, I must say.

By the way, the phase is + across all three speakers, and I've checked the L+R settings, which all seem correct.

Cheers,

James


818v3, DSP7200.2, Oppo BDP-105, Sony VPL-HW55ES projector, Kimber Mains Cables, Russ Andrews Torlyte Equipment Rack and Mains Filtration, GIK Acoustics Room Treatments
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#200808 - 2013-11-15 14:02 Re: 568.2mm Calibration and Trifield Setup [Re: 3dit0r]
Registered: 2011-02-17
Posts: 1,797
MB Offline
Knows where his towel is
MB Offline
Knows where his towel is

Registered: 2011-02-17
Posts: 1,797
Loc: Winchester, Hampshire, UK
Ask Santa for some rears!


Bits and pieces
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#200810 - 2013-11-15 14:40 Re: 568.2mm Calibration and Trifield Setup [Re: MB]
Registered: 2004-08-07
Posts: 660
Rodney Gold Offline
Paranoid android
Rodney Gold Offline
Paranoid android

Registered: 2004-08-07
Posts: 660
Loc: Cape Town, South Africa
Nice thing re the 568.2 is that rears can be inexpensive - a small set of active studio monitors would do...

I must say however, I never liked the music modes using only 3 channels, never could get the timbre and bass right and always I reverted back to direct. I always sit in the sweet spot anyway, so broadening it wasn't needed.

I would run a sub with those 5000's, limiting their bass cleans up a lot of the midrange on them...

When I bought my 568.2 I thought "maybe it's a waste of money" - well I don't think so any more.

It allows me to use and integrate 4 analog subs.

It also sounds pretty good to me too smile


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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#200824 - 2013-11-15 17:47 Re: 568.2mm Calibration and Trifield Setup [Re: Rodney Gold]
Registered: 2012-04-17
Posts: 1,902
3dit0r Offline
Knows where his towel is
3dit0r Offline
Knows where his towel is

Registered: 2012-04-17
Posts: 1,902
Loc: South UK
The versatility of the 568 is fantastic. I have to say the 818 is also an extremely flexible unit, though, albeit limited to 2-ch.

One thing using the 568 has done is make me aware that, having gone back to listening direct to the 818 by way of comparison this morning, in standard 2-ch I have a bit of a 'hole' in the middle of the stereo image for some reason.

I'd not noticed too much before, but I suspect using a bit of Trifield and Music setting, the centre is 'filling' that part of the soundstage nicely? To me, this indicates I might have a room setup/positioning/sound treatment issue with my 2-ch setup which needs addressing.

Any ideas what might cause this effect in 2-ch which the 568 in Trifield, etc. is mitigating?


818v3, DSP7200.2, Oppo BDP-105, Sony VPL-HW55ES projector, Kimber Mains Cables, Russ Andrews Torlyte Equipment Rack and Mains Filtration, GIK Acoustics Room Treatments
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#200825 - 2013-11-15 18:09 Re: 568.2mm Calibration and Trifield Setup [Re: 3dit0r]
Registered: 2001-05-23
Posts: 2,719
Gianni Offline
Great Green Arkleseizure
Gianni Offline
Great Green Arkleseizure

Registered: 2001-05-23
Posts: 2,719
Loc: North London, United Kingdom
Toe-in/-out of the main front pair. Distance from rear wall.
Assymetric positioning with respect to side walls, soft or hard furniture, doorways, etc.

Your seating position with respect to reflective side and rear walls.

I had the same problem with my DSP7200s on TV speech, the room cannot be fixed much but a DSP5200HC hides/cures the problem.


Wonderful perfect quadraphonic sound with distortion levels so low as to make a brave man weep smile
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#200826 - 2013-11-15 18:21 Re: 568.2mm Calibration and Trifield Setup [Re: 3dit0r]
Registered: 2004-08-07
Posts: 660
Rodney Gold Offline
Paranoid android
Rodney Gold Offline
Paranoid android

Registered: 2004-08-07
Posts: 660
Loc: Cape Town, South Africa
Try toe in or out , make sure the speakers are equidistant to you , try different axis settings , physical tilt.
Room treatments (absorber/diffusion) at first reflection points.


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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#200864 - 2013-11-16 01:41 Re: 568.2mm Calibration and Trifield Setup [Re: Rodney Gold]
Registered: 2012-04-17
Posts: 1,902
3dit0r Offline
Knows where his towel is
3dit0r Offline
Knows where his towel is

Registered: 2012-04-17
Posts: 1,902
Loc: South UK
Oddly enough, on TV speech it's fine, and on most rock/pop and opera. It's large scale classical type music which seems to have a bit of a 'hole' in the middle, can't say why.

I've played with speaker/listening position extensively in the past, but perhaps it needs tweaking a bit more! They're pretty much equidistant, away from the rear and side walls, and slightly toed in at the moment.

I really must spend some money now on room treatments - I've always done it to an extent with strategically placed rugs and curtains, etc., but the system probably now warrants more than that, and GIK products get very good review and are available in the UK now.

Treating first reflection point on the RH channel is easy, on the LH channel, it falls right on the edge of a cupboard, so very hard to know where to place the absorber - on the cupboard, or the wall set back from it? I guess a mirror would help me decide. The ceilings are also very high, so it's a major job suspending anything up there.

Just listening to Elgar's Serenade for Strings, which sounds rather good, and Crosby, Stills and Nash never had separation of the vocal parts like Trifield gives. Impressive!

Cheers,

James


818v3, DSP7200.2, Oppo BDP-105, Sony VPL-HW55ES projector, Kimber Mains Cables, Russ Andrews Torlyte Equipment Rack and Mains Filtration, GIK Acoustics Room Treatments
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#200865 - 2013-11-16 01:42 Re: 568.2mm Calibration and Trifield Setup [Re: NetChord]
Registered: 2012-04-17
Posts: 1,902
3dit0r Offline
Knows where his towel is
3dit0r Offline
Knows where his towel is

Registered: 2012-04-17
Posts: 1,902
Loc: South UK
Originally Posted By: NetChord
I wonder if there's a speaker phase issue, specifically whether the center speaker is out of phase with either the left or the right speaker, or both.
They're all set on +ve at the moment - is it possible on DSPs one of them should be set differently?


818v3, DSP7200.2, Oppo BDP-105, Sony VPL-HW55ES projector, Kimber Mains Cables, Russ Andrews Torlyte Equipment Rack and Mains Filtration, GIK Acoustics Room Treatments
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