Lumpy's Tone Shop Germanium Class A Overdrive

Various

Lumpy's Tone Shop

This is a custom Class A Overdrive based on a similar circuit I built last summer called the G.T.O - Germanium Transistor Overdrive.  It is a hybrid design consisting of the first two JFET gain stages of the Class A Overdrive which are based on the preamp of a 1624T/Model 24 Supro.  The third gain stage however is replaced by a germanium transistor gain stage.  The result is a warmer, spongier sounding overdrive with a slight smooth fuzz tone at higher gain settings. The new bass and treble controls allow for a broader range of tones.

Each germanium Class A OD will feature a NOS OC139, OC140 or OC141 transistor.  You will know what your pedal is loaded with by looking at the Germanium symbol.

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