Hand Wired Silicon Fuzz BC108 and BC108C Transistors

Description

There is a certain type of silicon fuzz that sits in a strange place.

Too aggressive for players chasing soft germanium sag. Too articulate for the people who think all silicon fuzzes are harsh and stiff. This build exists somewhere in the middle.

The circuit is based around a pair of BC108 silicon transistors, with a BC108 in Q1 and a higher gain BC108C in Q2. That pairing gives this fuzz the stability and attack silicon is known for, but without losing the clean up and touch sensitivity people normally associate with older germanium units.

Roll your guitar volume back and it does not simply get quieter. It starts to thin out and clean itself in a very familiar way. Chords stay separated. Pick attack still matters. Then when the volume goes back up, the whole thing leans forward again with that hard edged silicon push that defined so many late 60s and early 70s recordings.

This particular Abbey Road Fuzz is hand wired on tagboard using a mixture of modern and vintage components, built slowly and deliberately in the traditional way rather than around a PCB. Inside you will find carefully dressed wiring, old school construction methods, and the sort of layout that makes servicing and long term reliability straightforward.

The enclosure is finished in hammered black paint with artwork inspired by the famous Japanese storm and wave imagery, reimagined here as a storm trapped inside a teacup. It felt appropriate for the circuit. Calm until you actually hit a chord.

Above the controls sits a small skull emblem whose eyes illuminate when the pedal is engaged. Slightly unnecessary perhaps, but so are most of the best things in old guitar gear.

Tonally this sits firmly in that British silicon fuzz territory. Tight low end. Strong upper mids. Enough gain to sustain without turning everything to mush. Into a cooking valve amp it moves from cutting lead tones to surprisingly usable edge of breakup sounds just from the guitar controls alone.

Unlike many vintage style fuzzes, this runs happily from a standard 9v centre negative power supply like most modern pedals, so it will sit straight onto a normal pedalboard without needing special wiring or isolated battery arrangements.

One off build.

Hand wired.

Built properly.

If you understand why silicon fuzzes became legendary in the first place, this will probably make sense the moment you plug into it.