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ELECTRIC TUBE AMPS: MISC. MODELS

Models (11)

30

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- 30W, 2-10 in. or 1-12 in. speakers, tube chassis, preamp: 4 X 7025, 2 X 12AT7, power: 2 X 6L6, 5U4 rectifier, two channels, reverb, front black control panel, two inputs, nine silver-top knobs (Ch. 1: v, t, b, Ch. 2: g, t, m, b, r, v), some knobs have push/pull switches, bright switches, two-button footswitch, black tolex covering, silver or black grille, mfg. 1979-1982.
In 1981, the grille cloth was changed to silver.
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75

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- 75W, 1-15 in. speaker, tube chassis, preamp: 4 X 7025, 2 X 12AT7, power: 2 X 6L6, solid-state rectifiers, two channels, reverb, front black control panel, two inputs, eight silver-top knobs (Ch. 1: g, t, m, b, Ch. 2: lead drive, r, lead level, MV), some knobs have push/pull switches, bright switches, black tolex covering, silver grille, mfg. 1979-1982.
In 1981, the grille cloth was changed to silver.
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75 Piggy-Back

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- similar to the 75 Combo, except in a separate head and cabinet unit that had either 1-15 in. or 4-10 in. speakers, mfg. 1979-1982.
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140

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- 135W, 4-12 in. speakers in a separate cab, tube chassis, preamp: 4 X 7025, 2 X 12AT7, power: 4 X 6L6, solid-state rectifier, two channels, reverb, front black control panel, two inputs, eight silver-top knobs (Ch. 1: g, t, m, b, Ch. 2: lead drive, r, lead level, MV), some knobs have push/pull switches, bright switches, black tolex covering, silver grille, mfg. 1979-1982.
In 1981, the grille cloth was changed to silver.
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300PS

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- 300W, head-unit with a metal stand, 4-12 in. cabinet that is separate, tube chassis, preamp: 2 X 7025, 12AT7, 6V6, power: 4 X 6550, black control panel, two input jacks, 12 silver-top numbered knobs ( v, t, m, b, p, 5-way equalizer, distortion, output), black tolex covering, black foam grille, mfg. 1975-79.
This amp was also available as the 300PS Bass with a larger cabinet. This amp was offered through the release of the B-300, which is a solid state amp.
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400 PS BASS

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- 435W, head-unit that has a metal stand, 18 in. horn cabinet separate from the head, tube chassis, preamp: 6 X 7025, 12AT7, power: 6 X 6550, black control panel, four input jacks (two bass, two normal), bass and bright switches, 11 numbered knobs (Bass: v, t, b, Norm: v, t, m, b, r, s, i, MV), three power output jacks, black tolex covering, black foam grille, mfg. 1970-75.
The three output jacks boasted to have each 145W output, when you could get all the power out of one. There were three amplifers within the model and they all came together to drive the massive cabinet. This was Fender´s response to the power race in bass amplifiers in the 1970s.
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BANTAM BASS

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- 50W, Yamaha plastic cone non-circular speaker, tube chassis, preamp: 2 X 7025, 12AT7, power: 2 X 6L6, 5U4 rectifier, two channels (bass and normal), silverface control panel, four input jacks (two per channel), seven silver-top knobs (Norm: v, b, t, Vibrato: v, b, t, s, i, r), bright switches, black tolex covering, silver grille, mfg. 1969-1971.
The Bantam Bass was replaced by the Bassman Ten in 1972. This amp featured a very oddly-shaped speaker made by Yamaha (see picture). It is very rare to find a replacement speaker and working Bantam amps with original speakers are very rare in today's market.
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K&F

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- 3W, 1-8 in. or 1-10 in. speaker, tube chassis, preamp: 6N7, power: 6V6, 5Y3 rectifier, no controls, gray crackle paint, coarse mesh or cloth, mfg. 1945-46.
This amp was the first produced by Leo Fender. The K&F was meant for steel type guitars. Some models would have one volume knob. This model was found with two different sized speakers. This is an extremely rare amplifier.
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MUSICMASTER BASS

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- 12W, 1-12 in. speaker, tube chassis preamp: 12AX7, power: 2 X 6V6GTA, silverface control panel, two black plastic knobs with silver skirts, (v, tone), black tolex covering, silver grille, mfg. 1970-1982.
The Musicmaster is one of the earliest versions using a phase inverter. Around 1976, the nameplate lost the tail. In 1982, blackface was reintroduced for its final year of existence. This model was replaced by the Bassman 20. Later models may utilize 6AQ5A power tubes.
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STUDIO BASS

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- 200W, 1-15 in. Electrovoice, tube chassis, preamp: 2 X 7025, 12AT7, 12AU7A, 12AX7A, power: 6 X 6L6, new blackface control panel, two inputs, 12 silver-top knobs (v, t, m, b, p, distortion, output level, five-way equalization), black tolex covering, black grille, mfg. 1977-1980.
This amp combined the equalization system of the 300 PS with the Super Twin chassis.
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WHITE

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- 3W, 1-8 in. speaker, tube chassis, preamp: 12AX7, power: 6V6, 5Y3 rectifier, top numbered control panel, two pointer knobs (v, tone), grey fabric covering, blue-black grille, mfg. 1955 only.
This was an amp produced by Leo Fender, but didn't bear the Fender name. The White was a student amp that came with a matching steel guitar, and was a tribute to Forest White.
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