| Year: | +-'74 to end 70s? |
| Model: | OR120 |
| Model Number: | OR120 |
| Config: | Head |
| Control Panel: | |
| Control Panel Layout: | Input - F.A.C. - Bass - Treble - H.F.Boost - Gain - Reverb Send - Reverb Return - Pilot Light - Power |
| Rear Panel Layout: | Mains chord - Voltage selector - 2 fuse holders - Slave output - Impedance selector - 2 speakers outs |
| Cabinet: | size? |
| Weight: | |
| Speakers/Load: | 4/8/16 Ohms |
| Speaker model: | N/A |
| Effects: | N/A |
| Output: | 120 Watts |
| Preamp tubes: | 1.5 x 12AX7 |
| Power tubes: | 4 x EL34 |
| Bias: | Fixed bias |
| Rectifier: | solid state |
| Phase Inverter: | Cathodyne type: 1/2 x 12ax7 |
| Circuit: | '74 schematic and a later type schematic ('76) |
| Chassis layout: | all tubes chassis mounted |
| Comments: | |
