- 125W, guitar head-unit, eight-tube chassis, preamp: 2 X ECC83, 1 X ECC82, 1 X ECC81, power: 4 X EL34, single channel, top mounted control panel, two input jacks (one normal, one brilliant), six control knobs (v, sensitivity, three equalizer knobs, MV), black covering, brown diagonal grille, mfg. 1980-mid 1980s.