Carver amps are on e-bay often. I have 3.
TFM-45 375 Wats into 8 ohms
500 into 4 ohms
1000 bridged mono

These are smooth, silent amps.

Axiom Epic 80 500 QS8s
Carver TFM-55 TFM-45 TFM-35
Rotel RSP 1068
Audiobytes/W amp & sub
M22s Ep125