AMPEG B-12XTC Portaflex
- similar to the B-12XT, except has a 4-12 in. speaker cabinet, available in black covering with a blue/gray grille and chrome trim, mfg. 1967 only.
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- similar to the B-12XT, except has a 4-12 in. speaker cabinet, available in black covering with a blue/gray grille and chrome trim, mfg. 1967 only.
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- 50W, 2-12 in. Jensen speakers, guitar/accordion combo/piggyback Portaflex design, nine-tube chassis, preamp: 4 X 12AX7, 1 X 6CG7, 1 X 7199, power: 2 X 7027A, rectifier: 5AR4, two channels, vibrato, reverb, front chrome control panel, four input jacks (two per channel), 10 black knobs (Ch. 1: v, t, b, Ch. 2: v, t, b, i, s, r, reverb channel selector), footswitch jack, rear panel: standby switch, ground switch, power switch, input for 8 ohm extension speaker, output jack for external amplifier, hum balance control, illuminated lucite panel with Ampeg logo and optional owner's monogram, available in Blue Check covering with a gray grille (1965-67) or black covering with a blue/gray grille with chrome trim (1965-68), mfg. 1965-68.
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