I have never heard a Parasound amp, I'm sure it would sound fine and getting the amp + preamp combo is good for system synergy.
I am intimately familiar with the Salk HT2-TL and HT2C. I have listened to these speakers every day for the last 11 years. Not all amps work well with the HT2-TL, the speakers are too honest and revealing. I have stayed with Van Alstine amps and preamps, their sound has matured nicely since I started using their electronics and can now hold their own against the big expensive brands. The HT2-TLs were also voiced using AVA electronics.
Most amps I have heard in my system were meh compared to the AVA Vision SET 400.
The Hypex NCore NC400 was a disaster with horrible sound compared to the AVA. The
PS Audio Stellar M1200 was fun but ultimately too clean without soul. The AVA Fet Valve 600R had more effortless power (we never listen to music that loud, it was a test) but the amp was also more solid state sounding even though it has a couple tubes, not my cup of tea with these speakers.
I see the Parasound has 300 watts, although nice it is also overkill for the HT2-TL. The speaker is power hungry but not that power hungry. Hopefullly you can get the Parasound electronics with a 30 day return which
might get you through the honeymoon period. All new amps sound great at first.
Very, very few people have heard how excellent the HT2-TL speakers are, I found out last week when I plugged in a full loom Hapa Audio cables - RCA, USB, and bi-wire speaker using their top-of-the-line nano-polished silver wire. The HT2-TL performed as well as any $60,000 speaker I heard at RMAF and with the REL Gibraltar G2 sub going down to 20Hz the sound in my medium sized room was to die for. Unfortunately the cables were on loan on the last leg of their US tour. They are missed.
I.Greyhound Fan has heard almost all of the AVA amps and compared them to his Pass and Parasound amps. He is an excellent resource, send him a PM.
https://www.audiocircle.com/index.php?topic=158752.0