THe switches you seek are no longer made and there is no replacement for either of them. I had mine bypassed when Bob restored mine last year. He is thinking about having a few more made, but holding your breath waiting for them is not advised.
Welcome to the club!
Carver Statement Reference Monoblocks!!!Sunfire Signature TGA 7401, Pioneer SC-37 Surround Receiver, Sunfire Classic Vacuum Tube Preamp with Phono Stage, Magnepan MG-20's(main) Polk Audio RM 7500's(surround) Polk Audio CSi-a6 (center) Yamaha PX-3 Turntable, Pioneer Elite PD-DJ9 SACD/CD Player, Sony BDPs-350 BLUray player, LG 42lg50 1080p HDTV, Klipsch Synergy SUB-10 powered subwoofer.[/size]