Not designed by Bob Carver, but interesting. Did a number of upgrades to this. New panel mounted RCA jacks. Original PCB mounted jacks tend to fail when used with high end very tight RCA cables. All 5 on this amp were destroyed. Replaced all 5 relays, one on each amp board. Strange white deposits under each. Upgraded from a 25 amp bridge rectifier to 35 amp. Replaced 4 ceramic snubber capacitors. Doubled the capacitance of the bulk supply caps. Added 12 volt trigger relays. Fun project.
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