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ZIRCON SILICON FUZZ

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PROJECT NAME

ZIRCON

BASED ON

EFFECT TYPE

PROJECT SUMMARY

DOCUMENT VERSION

“Hot Silicon” Tone Bender

An adaptation of the classic Tone Bender Mk. II circuit using silicon transistors and a Big Muff-style tone 
control.

Fuzz / Distortion

1.0.0 (2021-02-19)

Actual size is 2.3” x 1.86” (main board) and 1.78” x 0.87” (bypass board).

BUILD DIFFICULTY

Easy

Summary of Contents for ZIRCON SILICON FUZZ

Page 1: ...DOCUMENT VERSION Hot Silicon Tone Bender An adaptation of the classic Tone Bender Mk II circuit using silicon transistors and a Big Muff style tone control Fuzz Distortion 1 0 0 2021 02 19 Actual siz...

Page 2: ...e finalized version in 1994 Sola Sound did make a very small number of Tone Bender Mk III s with silicon transistors these are different than the Jumbo Tone Bender which was basically a Big Muff clone...

Page 3: ...m resistor 1 4W R9 10k Metal film resistor 1 4W R10 10k Metal film resistor 1 4W R11 10k Metal film resistor 1 4W R12 2k2 Metal film resistor 1 4W R13 100R Metal film resistor 1 4W RPD 2M2 Metal film...

Page 4: ...gle PCB mount pot VOL 100kA 16mm right angle PCB mount pot IN 1 4 stereo 1 4 phone jack closed frame Switchcraft 112BX or equivalent OUT 1 4 mono 1 4 phone jack closed frame Switchcraft 111X or equiva...

Page 5: ...cluding background noise when not playing goes away In other words you won t hear this gating effect once it s biased However this is just a starting point and you may be able to get some interesting...

Page 6: ...0k 22k VA GND 10k 1k GND VA 100n 2N5088 10k VA 2N5088 100R GND 47k 5kB GND 4u7 GND 10k VA 2N5088 10k GND VA 100n 10k 10k 2k2 8n2 GND 100n GND GND 100R RPD D1 C8 BODY 1 2 3 GAIN 1 2 3 TONE 1 2 3 VOLUME...

Page 7: ...of closed frame jacks like the Switchcraft 111X If you d rather use open frame jacks please refer to the Open Frame Jack Drill Template for the top side LED hole drill size assumes the use of a 5mm LE...

Page 8: ...ZIRCON SILICON FUZZ 8 ENCLOSURE LAYOUT Enclosure is shown without jacks See next page for jack layout and wiring 125B...

Page 9: ...ZIRCON SILICON FUZZ 9 WIRING DIAGRAM 125B IN V GND N C N C OUT PCB IN GND V V JACK GND JACK OUT IN GND GND PCB OUT...

Page 10: ...s suggestions based on the experience and opinions of others Projects may be used for commercial endeavors in any quantity unless specifically noted No attribution is necessary though a link back is a...

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