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!
The Gear... Carver "Statement" Mono-blocks, Polk Audio "Signature" Reference Series 1.2TL with complete mods, Pass Labs X1 two channel preamplifier Signed by Poppa himself, Pioneer PDD 9MkII SACD Player, Triangle Art Reference SE prototype, with Walker Precision speed controller and Origin Conqueror tonearm and Dynaudio 20x2, Pass Labs Xono twin chassis phono preamplifier, Pioneer Elite SC-65, Polk audio AB700/800 "in-wall" surrounds, Oppo BDP-93