DR. Z JAZ 20/40 HEAD
- 20/40W, guitar head unit, ten-tube chassis, preamp: 5 X 12AX7, 1 X 12AT7, power: 4 X 6V6, solid-state rectifier, single channel, reverb, tremolo, front black control panel, single input, eight knobs (v, t, m, b, MV, r, s, d), power switch...