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cdeveza  
#21 Posted : Thursday, June 9, 2016 4:21:44 PM(UTC)
cdeveza

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BTW, russ, can you please direct me to a forum thread that discuss dual mono construction?

Thanks,
Alex
cdeveza  
#22 Posted : Friday, June 10, 2016 3:42:40 AM(UTC)
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Originally Posted by: Russ White Go to Quoted Post
Excellent! Your pictures helped a lot.

Just setup the TOSLINK board for consumer output and use the normal B3SE spdif switching capability. There is only one downside to doing this - you must keep SPDIF auto-detect enabled on the B3SE which can sometimes cause random unlocks with very high rate I2S/DSD signals becuase it will get false positives that there is a SPDIF signal present. This generally only occurs above 192Khz.

The other approach is to use an OTTO-II and a SPDIF receiver. That way the DAC input itself only ever receives I2S/DSD and you can turn off the SPDIF auto-detect.

Cheers!
Russ


I have been reading, but I do have a question, the SPDIF receiver you are talking about, is this different from TosLink?
Can I use the Amanero and Toslink (TTL configured) and the OTTO-II, to switch between the two?
Russ White  
#23 Posted : Friday, June 10, 2016 3:28:03 PM(UTC)
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I am not sure there is a thread on dual mono construction - I can only offer this advice:

1) Keep the DACs very close together or use teleporter if you can't.
2) Mind your wiring - use uFL or very short run.
3) Mind your ground returns - make them a single point if possible.
4) Sharing single VD supply makes sense (make sure you size the trafo to support the load) - while dual analog (bibpolar) supplies is the best option.

As for a SPDIF receiver - I would use this:

http://www.twistedpearau....com/digital/wm8804.aspx
cdeveza  
#24 Posted : Friday, June 10, 2016 3:54:51 PM(UTC)
cdeveza

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Originally Posted by: Russ White Go to Quoted Post
I am not sure there is a thread on dual mono construction - I can only offer this advice:

1) Keep the DACs very close together or use teleporter if you can't.
2) Mind your wiring - use uFL or very short run.
3) Mind your ground returns - make them a single point if possible.
4) Sharing single VD supply makes sense (make sure you size the trafo to support the load) - while dual analog (bibpolar) supplies is the best option.

As for a SPDIF receiver - I would use this:

http://www.twistedpearau....com/digital/wm8804.aspx


I will be stacking the two BIIIse together, I can not get them any closer
I will use individual wire, but very short and of equal length on the digital signal.
Ground returns, ok.
I actually have three placid HD with individual trafo. One for each BIIIse, and one to power the Amanero and other peripheral if need be.

For the switcher, please correct me if I am wrong. I will need the OTTO-II, and the Wolfson 8804, correct? So I connect the Amanero and the Wm8804 to the OTTO-II , correct? But what about the Toslink? do I use my Toslink Module at all? connect it to wm8804? then connect the output ot the OTTO-II to the DAC?

Please clarify

Thanks
Alex
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