I have had: A couple of Carver's, including a C-1, a Conrad Johnson PV-6, an Audio Research SP-3A1, and a McIntosh C-24. I rebuilt or tested the power supplies in the C-24, the ARC, and the PV-6.
The PV-6 was an insult to all of the music I played through it - an NO, there was nothing wrong with it other than it existing. It went after maybe 4 or 4 months of sonic torture. So far, the best of these, IMO, *easily* was the SP-3. The soundstage was wide, deep, and lush. Gorgeous presentation. A lovely, lovely piece of gear - one that I deeply regret selling. The Carver C-1 wasn't bad at all, and I HATE the C-24 - again, I've gone through it and everything is within parameters. It's just not a good sounding device to my ear. It is shortly being replaced by a Sansui CA-3000 that I have very high expectations of. Again, I will go through the CA-3000 and replace anything that needs replacing as I do with my vintage gear.
Am sure the OP has sourced something though - 2013 was awhile ago.