- controls the output level
- controls the amount of overdrive
- controls the tone (bass/treble?)
No forum threads about this effect yet.
- Coron Over Drive (2 knobs)
- Bias Over Drive (3 knobs)
- Coron DC-851 Over Drive Box I (2 knobs)
- Coron O-300 Over Drive (2 knobs)
- Coron HO-320 Heavy Over Drive (4 knobs)
Here's some code to post a link with image on forums, eBay, websites,...