Controls
- Level
- controls the output level
- Tone
- controls the tone (bass/treble?)
- Overdrive
- controls the amount of overdrive
Information
made in 1982 and 1983
Specifications
- Power
- Battery DC 9 Volt / Ampeg AC adaptor
- Switching System
- "Noiseless" Solid state type
- Overal Size
- 68 (W) x 53 (H) x 120 (D) mm
Documentation
- schematics
- schematics available at Schematic Heaven
ampeg a-3 overdrive

