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#307428 2022-11-06 07:28
Joined: Aug 2009
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Hitchhiker
Hitchhiker
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For fun I connected a Meridian F80 into the Meridian 808v6 MQA DAC. The connection was optical out from the F80 into the optical IN on the 808.

I played several MQA CDs from the F80 and the 808 showed full MQA decoding up to 352khz.

It has been suggested that the F80 sends the CD signal bit perfect to the 808 so does this mean ANY non MQA CD transport that can send a signal bit perfect can be used to play MQA CDs provided it’s connected to a fully decoding MQA DAC?


Meridian M80 & Meridian Ellipse
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Paranoid android
Paranoid android
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I used to run my 800v4 into my 818v3 and it happily played MQA CDs with the 818 reporting full MQA.

I also tested it with a 500 transport - that worked too!

I've not tested other manufacturers' digital transports so it could just be a Meridian thing!

Cheers,

Steve


Main: 861v6 (LPS), 808v6, UHD722, DSP8000SE Anniversaries, DSP5200.2HC, DSP7200.2, SW1600, Sky Q, Cambridge Audio BD, Roon, M80
Office: 861v4 (LPS), 818v3, 800v4, HD621, M&K S150P, DSP5500HC, M&K MPS2810 sub x2
Son's system: 861v4, HD621, DSP6000.2, DSP5200HC, DSP33
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Joined: Aug 2009
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Hitchhiker
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Thanks Steve, was the connection from the 800v4 optical or SPDIF/coax?
The F80 only had optical out.


Meridian M80 & Meridian Ellipse
Gone:7200SEs,808v6,G95,MC200,MS200,218,210,MD600,F80, Explorer 1,201Pre mk3
Joined: May 2005
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Paranoid android
Paranoid android
Joined: May 2005
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I used SPDIF (Coax) for both. never tried with optical but looks like that works too!


Main: 861v6 (LPS), 808v6, UHD722, DSP8000SE Anniversaries, DSP5200.2HC, DSP7200.2, SW1600, Sky Q, Cambridge Audio BD, Roon, M80
Office: 861v4 (LPS), 818v3, 800v4, HD621, M&K S150P, DSP5500HC, M&K MPS2810 sub x2
Son's system: 861v4, HD621, DSP6000.2, DSP5200HC, DSP33
Spare: MCD, 100 Series, 200 Series, 500 Series, F80s, C15s.
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Pan-dimensional being
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As long as the player doesn't change the bitstream in any way, I believe the MQA decoder should have no issues. The only time you should see a problem is if you put something like a non-MQA processor (such as a 518) in the signal path.

Have fun :-)


Prolific music listener / Hi-Fi addict!
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Don't Panic!
Don't Panic!
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Originally Posted by Jeremy A-H
The only time you should see a problem is if you put something like a non-MQA processor (such as a 518) in the signal path.
But even that's fine in Bypass mode (where you still get the benefit of the 518's PLL (phase locked loop) de-jittering.


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