Rare, seldomly listed Conrad Johnson CAV50 control amplifier. All tube design with control functions incorporated into the amplifier chassis. No active preamp stage. Five high level inputs as well as EPL loop for a recorder, external processor, or another high level input. For phono playback, you will need an external phono stage. Unlike the current CAV45, the CAV50 contains no electrolytic capacitors. Six inputs vs. three inputs on CAV45. Also, preamp outputs should you want to add an amplifier for bi-amping or a subwoofer. Includes removable tube cage, and extra tubes.