I don’t know if this has been mentioned but in keeping with the minimalist vibe of a cherry amp, Decware sells a switch box, made of super high quality parts, and machines RCA jacks , you can even get it with a remote control volume. It’s very small and is basically a passive pre amp and Steve promises it absolutely does not degrade the sound in any way, or color it. They use them with his tube amps all the time. Don’t know why it wouldn’t work with a Cherry