JRR Pedals GeSi Face

The GeSi Face is a hybrid Germanium/Silicon transistor Fuzz Face circuit, with extra features borrowed from the Sun Face. Unlike other hybrid designs, the germanium transistor stage is after the silicon transistor stage, providing a smooth germanium sound with the added consistency of silicon. This new version of the GeSi Face preserves the circuit of the original when the Sol Knob is at 12:00 and all internal trimmers are left at their default positions.

Features

• First Stage: High gain BC549 silicon transistor
• Second Stage: Medium gain MP38 germanium transistor
• Sol Knob: External bias control
• Internal Clean Trimmer: Cleaner, brighter sounds without turning down your volume pot, or for making modern high output pickups behave like vintage pickups.
• Internal First Stage Bias Trimmer: Fine tune the bias on the first transistor
• Internal Second Stage Bias Trimmer: Fine tune the bias on the second transistor, extending the range of the Sol Knob