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This used pedal will ship insured and inspected from Rapid City, SD. In good condition, this SD-1 has scratches and scuffs peppering the surface and a missing metal insert for the Level knob. The knobs turn fast and smooth and the footswitch clicks easily.
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The Boss SD-1 Super OverDrive (Made in Japan) from the 1980s is a true classic, representing one of the most influential and widely used overdrive circuits ever produced. Built during the revered MIJ era, these early SD-1s are known for their smooth, musical clipping and unmistakable midrange focus that helps guitars cut effortlessly through a mix. From blues and classic rock to early metal tones, the SD-1 became a go-to for players who wanted natural amp-like breakup without sacrificing clarity or dynamics.
What makes the ’80s Made in Japan versions especially desirable is their feel—responsive, warm, and slightly raw in a way that later iterations don’t always replicate. Whether used as a standalone overdrive or as a boost pushing a tube amp into singing sustain, the SD-1 delivers tight low end, articulate highs, and that signature mid-hump that just works. Simple, reliable, and endlessly musical, the MIJ SD-1 remains a pedalboard staple and a piece of stompbox history.
Features / Specs
Circuit: Analog
Bypass: Buffered
Controls: Level, Tone, and Drive
Inputs: 1/4"
Outputs: 1/4"
Power Supply: 9V DC, battery and supply not included
Width: 2.9"
Height: 4.9"
Depth: 2.1"
Weight: 0.8 lbs
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