Opinions on Parasound A21 & A21+

I have been informed that the sonics of both the older and new Parasound A21s are very similar.  I have never heard a Parasound product, let alone this model.  Forgetting for this moment system synergy, how good do you rate is this amplifier?  In basic sound character, is it a smooth operator with a non grainy, non fatiguing signature, that with proper systems matching will throw a 3d soundstage? Is it the entry-way to a high end, high power amplifier?  Please feel free to provide any down sides to this amplifier.  Last, what other amplifiers new or used in this $2,500-$3,100 price range would you consider?  I will mention that I generally hold onto my amplifiers for a long while so I prefer to buy new.

I have scoured and read many prior posts on this subject, but would just like some current opinions.  Thanks in advance.
Years ago used to own an A21 and then JC-1; just bought a used A23 for my girlfriend's system. It's just like I remember the A21 - smooth, powerful & dynamic sound with just a touch of warmth. Very, very sweet! It's got the good points of solid-state amplification with really none of the bad - certainly nothing that draws attention to itself. And I'd long since gone to tube amps in my main system. Love that little A23, but of course now I wish we'd gone for the bigger A21. Great amps.
I just visited the Parasound website and didn't realize their A52 amplifier is a 5 channel home theater amplifier.  I settled for an ARCAM AVR550 instead.  I wonder how much I gave up in terms of sound quality.  I wanted to find something I could listen to in both 2 channel and 5.1 channel surround.  I love the way the Parasound Halo integrated amplifiers sounds for the money.

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