Gibson Goldtone GA 15 It Wants to Kill EL84s but We Won t Let It

Reverb and phase shift work! The item vintage 1970s cmi sg system sg-410 tube amp gibson usa is in sale since Monday, July 5, 2021. A bit dusty but otherwise in really decent condition! I don’t know too much about the amp other than it works great and what Ive read about it in a few chatrooms!