Robert Keeley SD-1 Super Overdrive Mod
This pedal is a key element to many heavy rocker's tone. It's like the TS9 with more transparency and more edge.
If you are looking for something in the Tube Screamer vein, but with a little more hair on it, not as much midrange push, this is it! Plus, this mod has a Germanium diode in the clipping section as a standard part of the mod! The Super Overdrive, GE 5 STAR MOD! Complete with metal film capacitor and resistor upgrade. Increased Bass, Drive, and Fidelity.
This is not just a switch to make it like a TS9 as some folks do. This makes it much fatter, cleaner, and more defined, and gives it another mode to increase the gain beyond what a stock SD-1 offers!
We have improved the BOSS switching to make it even closer to true-bypass! In stock form these units may suffer a bit of bleed through when off if the level and gain are set very high. But now with the new and improved bypass we now have the best sound pedal both on and OFF!
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