Mills Amplifier Repair - Here's a pretty rare piece! This is an Ampeg V3 that came in with a 'dying battery' sound. This amp was a part of the V series that
Ampeg V-4B 100w Bass Amplifier Head Reissue – Ish Guitars
Ampeg V-4B 100-watt Tube Bass Head | Sweetwater
Ampeg V3 Amplifier Head (b25/b25B) Project Chassis and Headbox - Product Details