No. of Channels
Two-Channel
Amp Type
Solid-State
Inputs
Four inputs (two per channel)
Outputs
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- 100W, 2-15 in. JBL D-140F speakers in a column style cabinet, piggyback-style bass amp with separate head and cabinet, solid-state chassis, two channels, front silver electroluminescent control panel, four inputs (two per channel), six knobs (Ch. 1: v, t, b, Ch. 2: v, t, b), hi and lo switches for each channel, black covering, blue/gray grille, mfg. 1968-69.
The BT-140 was essentially a GT-15C but made for bassists.
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- 100W, 2-15 in. Altec speakers in a column style cabinet, combo/piggyback Portaflex guitar amp, solid-state chassis, two channels, front silver electroluminescent control panel, four inputs (two per channel), six knobs (Ch. 1: v, t, b, Ch....
- 120W, 4-12 in. Altec 417A speakers, combo/piggyback Portaflex design, solid-state chassis, two channels, tremolo, vibrato, reverb, front bottom silver electroluminescent control panel, four inputs (two per channel), nine black and silver...
