Akashic Guitar effects circuit lookup
FUZZVOLUME

Enclosure not stated · 2 knobs

Tagboard Effects

Dylan159's Fuzz FaceliftVerified

Based on the Dallas Arbiter Fuzz Face· 62 other boards clone it

Category
Fuzz
Controls
Fuzz · Volume
Build
Vero· 13×10· 6 cuts, 3 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Dylan159, Fuzz
Open the layout at Tagboard Effects Dylan159's Unreleased circuits on FSB

From the post

It's december already! From Dylan159's Unreleased circuits on FSB: I'm not done with fuzz faces it seems. This one's goal is to keep all the classic cranked gain tones while making the ill-treated gain knob more useful. This is accomplished by moving the gain control to the first stage. When maxed, you have a classic, low input impedance, high gain fuzz face, because the emitter is effectively grounded. At low gain, the input impedance rises to something close to 200k or more, hopefully giving an interesting sound without the usual dulling that happens. Last but not least, this one doesn't need trimming! the emitter resistor assures predictable bias even with widely differing beta. You can still make it adjustable if you like to mess with it. Care has been taken to avoid blocking, since we're adding capacitors. With these values, blocking is roughly the same as with the original.

Update: Oops. There was a cut missing from the fuzz 3 + 100µ cap.. 8.12.2022, now fixed... and verified.

Schematic

This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.

Parts list 14 rows

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RefValueNormalizedTypeNotes
Resistors 6
×147Ω47read from the layout by eye
×11K1kread from the layout by eye
×22.2K2.2kread from the layout by eye
×115K15kread from the layout by eye
×1470K470kread from the layout by eye
×11M1Mread from the layout by eye
Capacitors 4
×2100pF100pread from the layout by eye
×11uF1uread from the layout by eye
×110uF10uelectrolytic; read from the layout by eye
×3100uF100uelectrolytic; read from the layout by eye
Diodes 1
D11N58171N5817read from the layout by eye
Transistors 1
×2NPNNPNTransistors are NPN (to taste); read from the layout by eye
Potentiometers 2
FuzzC10KC10kPotentiometeror B10K; read from the layout by eye
VolumeA100KA100kPotentiometerread from the layout by eye

Other boards based on the Dallas Arbiter Fuzz Face