1981 Boss SD-1 Super OverDrive
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A killer vintage SD-1!
This particular example dates to June of 1981, fitting right into the first year of production for the SD-1. As a result, this circuit features the earlier NEC C4558C chip, making for a much more desirable example compared to later versions. With controls for volume, tone, and drive, these were perfect at the time for pushing already overdriven amps, as well as fine tuning overall frequency thanks to the tone control. A great first year example!
Cosmetic condition is good for its age showing light-medium enclosure wear throughout. Hardware and electronics are fully functional. No box included.
