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KlipschKid 31st March 2012 05:38 AM

Matrix Mini-i Modifications
 
Hi all,

I'm thinking about getting another DAC - one with a remote volume for convenience. I dunno how good the digital volume for the AD1955 is, but apart from that, the Matrix Mini-i looks good, especially as it seems I should be able to remove the coupling caps.

Here's what I'm thinking of. VR1 balances the offset, VR2 eliminates it. Will it work, given suitable values ?

http://farm8.staticflickr.com/7123/7...187d3c6b_b.jpg

There's something similar on this thread, where they say Vbias is a few hundred mV too high.

Tweak du DAC Matrix mini-i - TDG

Thanks for any help.

Tom


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