Silicon Fuzz Face – BC108

A silicon Fuzz Face with BC108 transistors and knobs for Tone, Fuzz and Volume with an internal trimmer to set the pre-gain level.
For Cormac in Waterford.

A silicon Fuzz Face with BC108 transistors and knobs for Tone, Fuzz and Volume with an internal trimmer to set the pre-gain level.
For Cormac in Waterford.

A clone of the Vox Distortion Booster V8162, which originally came in a small box plug-in like the Vox Repeat Percussion. It’s essentially a silicon Fuzz Face type circuit but with a less woofy, heavy sound and all the rich harmonics you’d expect. It uses two BC108 transistors, metal film resistors and two high quality K40Y-9 capacitors. The trimpot replaces the ‘gain’ resistor so it’s maximum output can be set to taste. Finished in a silver vein powdercoat.
For Kalle in Germany.


A Vox Repeat Percussion clone again using BC108/9 and 2N2646 transistors, Rate and Depth knobs with a Rate range switch, side-mounted jacks, yellow mini-curl knobs and a black hammertone finish.
For Finn of Ladydoll in Cork.

Another Vox Repeat Percussion clone with controls for Rate and Depth and a Rate range switch. Fitted with cream chicken-head knobs and finished in a black hammertone.
For Fabio in Spain.

A clone of the Fulltone ’70 fuzz built on tagboard. It’s essentially a silicon Fuzz Face which uses BC108 transistors along with the addition of smoothing caps and a germanium clipping diode. Quite a beefy, full-bodied fuzz due to its 0.1uf output cap with quite a sweet sound. Along with the Volume and Fuzz knobs, there’s also a Mids knobs which supposedly offers extra clarity and cut, though its usefulness is debatable. Also features an internal trimmer to adjust the bias to taste.
For Paul of Mia Sparrow.
Audio samples:
Low gain:
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Medium gain:
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High gain:
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Recorded using a Gibson SG into a Fender Blues Junior, Seinnheiser MD421 mic, Apogee Duet.