MARSHALL JCM 900 HI-GAIN DUAL REVERB 100W HEAD (MODEL 4100)
- 100W (switchable to 50W), guitar head-unit, seven-tube chassis, preamp: 3 X ECC83/12AX7, power: 4 X 5881/EL34, solid-state rectifier, pentode/triode output stage, two switchable channels, reverb, front gold control panel, single input, te...