HIWATT DR504 (CUSTOM HIWATT 50)
- 50W, head-unit only, all-tube chassis, preamp: 4 X ECC83/12AX7, power: 2 X EL34, rectifier: 3 X BYX94, two channels, front black control panel, two or four inputs (normal and bright), seven black knobs (norm v, brilliant v, b, t, m, p, MV...