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Dirt pedals are usually labeled either Distortion or Overdrive. The OS-2 is both. With the color knob in the min position, the OS-2 produces pure overdrive. Turn it up and the overdrive will be gradually mixed with distortion until the overdrive tones are completely gone in the max position. The OS-2 provides maximum versatility and it can be used for every type of music.
The OS-2 has been around for a long time but have not been through any known circuit changes so far.
- Controls: Level, Tone, Drive, Color
- Connectors: Input, Output, AC Adaptor
- Current Draw: 12 mA (DC 9V)
- Weight: 420 g (15 oz.)
- Recommended AC Adaptor: PSA Series
- Silver – Made In Taiwan
The OS-2 was sold from May 1990 to present.