AMPEG J-12A Jet
- similar to the J-12 Jet, except has 7591A power tubes, mfg. 1964 only.
No. of Channels
Single-Channel
Amp Type
Tube
Inputs
Three inputs (guitar, accordion, mic)
Outputs
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- 25W, 1-15 in. speaker, guitar or accordion combo, six tube chassis, preamp 2 X 6SL7, 1 X 6SN7, 1 X 7025, power: 2 X 6V6GT (1963 only) or 2 X 7591A (late 1963-64), solid-state rectifier, single channel, tremolo, echo dimension (reverb) top black control panel, three inputs (guitar, accordion, mic), five black knobs (v, tone, echo dimension, s, i), power switch, two-button footswitch, available in Blue Check covering with a gray grille, mfg. 1963-64.
The R-15R was initially called the Supereverb, but due to the similarity in the name to Fender's Super Reverb, Ampeg changed the name to Superbreverb shortly after production started.
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- similar to the J-12 Jet, except has 7591A power tubes, mfg. 1964 only.
- similar to the J-12A, except has 2 X 6BK11 preamp tubes, mfg. 1965 only.
- 18W, 1-12 in. speaker, four-tube chassis, preamp: 2 X 12AX7, power: 2 X 7591, solid-state rectifier, single channel, tremolo, top chrome control panel, two inputs (bright, normal), three black knobs (v, tone, tremolo), power switch, singl...
- 12W, 1-12 in. speaker combo, guitar or accordion application, five tube chassis, preamp 2 X 6SL7, power: 2 X 6V6GT, rectifier: 5Y3, single channel, tremolo, top black control panel, three inputs (guitar, accordion, mic), four black knobs...
- similar to the R-12 Rocket, except has an updated chassis, mfg. 1964-65.
- 15W, 1-12 in. speaker, six tube chassis, preamp: 3 X 6SL7, power: 2 X 6V6GT, rectifier: 5Y3, two channels, tremolo, top black control panel, four inputs (two instruments, two accordions), six black knobs (Ch. 1: v, tone, Ch. 2: v, tone, B...
- similar to the R-12R Reverberocket, except has 7591A power tubes, mfg. 1964 only.
- 18W, 1-12 in. speaker, guitar combo, five-tube chassis, preamp: 1 X 12AX7, 1 X 6U10, 1 X 7199, power: 2 X 7591A, solid-state rectifier, single channel, reverb, tremolo, front chrome control panel, two inputs, six black knobs (v, t, b, r,...