Offer Details

Up for sale is a Boss SD-1 Super OverDrive professionally modded by Robert Keeley, transforming this classic pedal into a boutique-level overdrive.The Keeley mod takes the already great SD-1 and opens it up with improved clarity, smoother gain, and better frequency balance. You get tighter low end, less harshness in the highs, and a more dynamic, amp-like response.This is a killer pedal for pushing a tube amp, stacking with other drives, or using as your main overdrive.Tone / Performance:• Classic SD-1 midrange character, refined• Smoother, less “nasal” than stock• Better note separation and articulation• More usable gain range• Lower noise floorControls:Level / Tone / Drive (standard SD-1 layoutCondition:Good condition with cosmetic wear (see photos). Fully functional and sounds excellent!Why This One?Keeley-modded SD-1s are getting harder to find and are widely considered one of the best bang-for-buck boutique-style overdrives out there.Boss SD-1, Keeley mod, Robert Keeley, overdrive pedal, boutique OD, guitar effects, tube amp boostRare -highly collectable