I’ve always thought Clayton Audio amps were some of the better Class A solid state amps around and quite a value for the performance they offer. Here are a couple reviews for their M200 mono blocks and S100 stereo amps FYI...
https://positive-feedback.com/Issue33/clayton_m200.htm
https://www.enjoythemusic.com/superioraudio/equipment/0314/clayton_audio_s100_power_amplifier.htm