Ayre QB9 Dac . Upgrade to the new QB20. Vs competition In the $4-5k range or less


Hello I am looking to find out regarding the New Ayre upgrade for All QB9 dacs to the New QB20 Dac 
i see 1 review and  reviews many times are in part swayed with $$.
how good is this new upgrade ,and how would the QB20  and Schitt Yggsdrusil stack up 
and compare with each other . For these are my 2 options , please do chime in ,Thanks much.
128x128audioman58
@audioman58 ,
I think you are referring to the QB9 with Twenty upgrade.
And, I think you meant Windows 10?
Correct?
Thanks for the review of the shootout.
I have deep respect for Schiit and their products, and am a bit surprised the upgraded QB-9 is still very close to the upgraded Yggy.
I found the Yggy very close to the Codex.
Bob
@audioman58 

Thinking putting an Orange SR fuse in my Yggy.  What value and size fuse did you install?
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