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Which good discrete R2R multibit DAC & why NOS ?

In another thread concerning upsampling and upconversion in servers, mention was made by georgehifi :
¨Should just have a good listen to Redbook 16/44 PCM converted through a "good" discrete R2R Multibit nos dac.¨
Which would these be and why NOS ? Are there no R2R multibit DACs being made today ?
My Reimyo CDP777 although quite old has the K2 conversion and being one-box and top-loading made sense  to me at the time of purchase.
Most importantly, would adding an external R2R bring a noticible improvement or just be sidestepping ?

Thanks in advance

rost

Showing 1 response by veroguy

veroguy
137 posts
 
US-based Mojo Audio makes R2R NOS dacs.  Their Mystique V3 has won a few awards.  It uses the 20-bit, AD1862 R2R chips.  They have dacs from $2500-7500.

I thought I had read somewhere that the Reimyo DAP 777 used PCM63's, but now can't find anything on it.   I sometimes look for old dacs that have that chip, and I remember the Reimyo being on my mental list.






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