| Year: | Late 1970's (16334 = 1979) |
| Model: | Reverb Master |
| Model Number: | OR115MR |
| Config: | COMBO |
| Control Panel Layout: | Input - Volume - Bass - Treble - Contour - Reverb - Master Volume - Standby Switch - Power Switch |
| Rear Panel Layout: | Mains chord(fixed or detachable???) - Mains switch - 2 Fuse holders - Slave Output ??? - Impedance switch - 2 Speaker outputs (to be confirmed) |
| Cabinet: | 28"x22"x10" |
| Weight: | |
| Speakers/Load: | 2x12" |
| Speaker model: | Greenbacks |
| Effects: | Reverb using only a single tube? |
| Output: | 80 Watts |
| Preamp tubes: | 3 x 12AX7? |
| Power tubes: | 2 x EL34 |
| Bias: | Fixed bias |
| Rectifier: | solid state |
| Phase Inverter: | 1/2 x 12AX7 Cathodyne |
| Circuit: | |
| Chassis layout: | |
| Comments: | Last amps that were produced before Orange shut down temporarily... Differences from older Overdrives: standby switch, power switch and standby switch look a bit different, fine font used on frontpanel, different handles |
