Amp pairing for Nad m51 and focal 816w speakers

I like the nad m51 a lot as preamp, thinking I will just get a amp like parasound a21.

Nad m51 to parasound a21 to focal chorus 816 with acoustic zen wires. Anyone have experience with this combo?

My system is only for digital playback from laptop. I just got the nad m51 to be usb dac and I liked it so much as a preamp that I've decided to keep it simple and just add a amp, so no plan to sell it. I don't think I need an integrated anymore, just need a nice amp

I've been going back and forth on amp to add. I'm stuck between rotel 1552 mark 2 or parasound a23. The focal chorus 816w speakers are rated 40-200 watts but are easy to drive, so either amp would be ok I'm just wondering which one would sound better with my setup. Any other comparable amps to consider along with the rotel and parasound?

I'll also throw nad 275bee on the short list, matching with nad m51 is attractive, just not sure how it will sound with the focal speakers, or how it compares to the rotel 1552 or parasound a23

Budget is $500-$1000 ish but there is room for increase on a great deal, I don't mind buying second hand as long as it's clean. I have a small room (14x10) just for music that doesn't have any treatment yet but that is planned down the line, maybe I should wait in amp and take care of the room first.

My ear is still developing so I'm not sure what im hearing sometimes. the nad m51 dac brought in a lot of clarity and life to the speakers, it opened up the bottom end, maybe a little too much for the room without treatment, so I don't need more bottom end. Highs are a little harsh when volume is turned up, so I don't want to add any brightness. I am currently using rotel 1075 amp but that's 5 channel and I'll probably use it for HT setup later or sell it and want 2 channel neutral sounding and good synergy to the focal chorus 816w speakers.

Emphasis for me is clarity and definition in sound stage and neutral, a little warm or musical is ok in overall system but dac is already adding a little warmth so hopefully amp balances it and doesn't add more warmth

Cool I'll read up on the YBA, at first glance it looks great, but only 40 watts at 8 ohm, the rotel I'm running now is 120 watts. I know that all lower isn't the same but it's considerablly lower.

I think the YBA is in the right track in that it's very musical sounding, which is what I want, just power seems too low.