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- similar to the GA-77 Vanguard, except has a reverb circuit with six knobs (Ch. 1: v, b, t, Ch. 2: v, tone, r), tweed covering, full front slanted dark brown grille, 337 shipped, mfg. 1961 only.
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- 25W, 1-15 in. Jensen speaker, guitar combo, six tube chassis, preamp: 1 X 7025, 1 X 12AY7, 1 X 12AU7, power: 2 X 6L6, rectifier: 5V4, two channels, top control panel, four inputs (two per channel), four black chicken head knobs (Ch. 1 v,...
- approx. 25W, 2-10 in. speakers standard (GA-75) or 1-15 in. Lansing (Model GA-75L) speaker optional, guitar/bass combo, six-tube chassis, preamp: 2 X 6EU7, 1 X 6CG7 (6FQ7), power: 2 X 6L6, rectifier: 6C4, three diodes, two channels, top/r...
- approx. 35-40W, 4-10 in. speakers, guitar combo, nine-tube chassis, preamp: 4 X 6EU7, 1 X 12AU7, 1 X 6CG7, power: 2 X 6L6, rectifier: 0A2, two channels, reverb, tremolo, front white control panel, four inputs (two per channel), 12 black k...
- 18W, 2-12 in. speakers, guitar combo, six-tube chassis, preamp: 2 X 12AY7, 1 X 6SC7, power: 2 X 6L6, rectifier: 5V4, two channels, top rear-mounted control panel, four inputs (two per channel), five knobs (Ch. 1 v, Ch. 2 v, b, t, power),...
- 25W, 1-15 in. speaker, bass combo, five-tube chassis, preamp: 2 X 6EU7, power: 2 X 7591, rectifier: 5AR4, single channel, top silver control panel, two inputs, three knobs (v, b, t), brown covering, light brown grille, 493 shipped, mfg. 1...
- 30W mono (2 X 15 Stereo), 2-10 in. Jensen speakers, stereo guitar combo, eight-tube chassis, preamp: 4 X 6EU7 power: 4 X 6BQ5, solid-state rectifier, two channels, tremolo, top silver control panel, five inputs (four mono, one stereo), si...
- 50W, 1-15 in. regular speaker (GA-77RVT) or optional 1-15 in. Lansing speaker (GA-77RVTL), guitar combo, eight-tube chassis, preamp: 4 X 6EU7, 1 X 12AU7, 1 X 7199, power: 2 X 6L6, rectifier: 5V4, two channels, tremolo, reverb, top/front s...
- similar to the GA-55, except has vibrato circuit with a remote vibrato switch and control that plugged into the player's guitar, 473 shipped, mfg. 1954-58.
