AMPEG VL-503 Description
- 75W (6550 power tubes) or 50W (EL34 power tubes), 1-12 in. speaker, guitar combo, tube chassis, power: 2 X 6550 or EL34, three channels, reverb, front black control panel, 23 knobs (Ch. 1: v, l, m, h, Ch. 2: preamp, g, l, m, h, MV, Ch. 3: preamp, g, l, m, five-position mid-range selector, All: r1, r2, r3, attenuator level, power amp slope, power amp presence, three channel switches, Ch. 2 mid-boost switch, reverb on/off switch, attenuator on/off switch, effects loop on/off switch, standby switch, power switch, rear panel: bias select switch (6550/EL34), hum balance, two bias adj. knobs with LED indicators, impedance switch, two speaker jacks, line out switch, 1/4 in. unbalanced line out jack, recording output switch, effects loop pad switch, effects loop, footswitch jack, five-button footswitch, black covering, black grille, 21.75 in. wide, 19.75 in. tall, 11.5 in. deep, 85 lbs., mfg. 1993-95.