AMPEG B-25B
- similar to the B-25, except designed for bass guitars with heavier duty speakers, mfg. 1969-1980.
No. of Channels
--
Amp Type
Tube
Inputs
Four inputs (two per channel, and one each for bright and normal)
Outputs
--
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- 55W, 2-12 in. speakers, guitar combo, nine tube chassis, pre-amp: 4 X 12AX7, 1 X 6CG7, 1 X 7199, power: 2 X 7027A, rectifier: 5AR4, single channel, reverb, vibrato, front control panel, four inputs (two per channel, and one each for bright and normal), nine knobs (v, t, b, Ultra high, Ultra Lo, tremolo, vibrato, reverb, afterbeat) black covering, blue/gray grille, mfg. 1969-1971.
Altec 417B speakers were optional.
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- similar to the B-25, except designed for bass guitars with heavier duty speakers, mfg. 1969-1980.
- similar to the B-22X Jupiter 22, except in piggyback configuration with a 4-12 in. speaker cabinet, mfg. 1969-1970.
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