GIBSON GA-85 Description
- 25W, 1-12 in. Jensen speaker, guitar combo with a removable chassis, six-tube chassis, preamp: 2 X 12AX7, 1 X 5V6, power: 2 X 5881, rectifier: 5V4, two channels, front silver control panel, four inputs (two per channel), six black chicken head knobs (Ch. 1 v, Ch. 2 v, b, t, voicing, power switch), two-tone buffalo-grain covering, Spanish gold grille cloth with Gibson logo, 17.25 in. wide, 26 in. tall, 10 in. deep, 39 lbs, 60 shipped, mfg. 1957-58.
This model was essentially Gibson's first piggy-back unit where the tube chassis/control panel detached and could be placed away from the amp with a supplied 15 foot extension cord.