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Parasound A21+ or PS Audio S700 monos?

Since I have some time on my hands, I've been playing with my hifi.  And it's time for a new power amp.
Rest of system is an Exposure 3010S2 CD player feeding a Naim nDAC, an Exposure 3010S2 or Conrad-Johnson PF2L, speakers are Monitor Audio Gold GX300s. 

In looking and reading, it seems like the Parasound A21+ and PS Audio S700 are the leading contenders.  New S700 monos are $1798; a 1 year old A21+ is $2000.  

Thoughts on them?
naimfan
mgrif104
323 posts
 
Well, I have the Parasound A23 (obviously a model below the A21) and the stereo version of the M700 (the S300).  I find the S300 is superior in every regard - not in a really significant way, but clearly audible.  Cleaner and more articulate, the A23 sounds “thick” and less resolving in comparison.  
I’m guessing a similar difference would be heard between the A21 and the M700s. 
My $.02.  
bosssound's avatar
bosssound
118 posts
 
+1 A21+
bobedwards101
176 posts
 
Vincent Audio valve mono blocks Model SP T-700
tweak1
3,524 posts
 
Mine was in totally open air space. I purchased direct as a x dealer concession. It looked brand new. I sold it long ago
jbuhl's avatar
jbuhl
875 posts
 
@mgrif104

I was considering Parasound when I bought my S300.  Then I talked to a person in the sales industry who was familiar with both and said to go with the S300.  Been pretty happy with it so far.  I matched it up with a Tube pre and a DAC that was reviewed as having “warm” characteristics.   I especially enjoy not heating up my living room in the summer.    Also PS is Audio is just down the road from my house :) . 
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