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FUZZVOLBIAS

125B · 3 knobs

PCB Guitar Mania

Death By Fuzz I

Based on the Death By Audio Fuzz War I

Category
Fuzz· Silicon Fuzz
Controls
Fuzz · Vol · Bias
Difficulty
Average
Price
€9.90out of stock

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From the vendor

Project overview

Based on the first version of the Fuzz War by Death by Audio, a seven-gain stage monster nothing related to the current production model Fuzz War II, which has a much more Big muff inspired circuit.

For this project, we designed the Fuzz control as a regular potentiometer, instead of a trimpot like in the original unit. Also, we included in this project a bias control cause we all know how fun is to experiment with starving fuzzes!

Don’t forget to check the additional notes on the Tone stack Section.

Introduction

When talking about the Fuzz War by Death by Audio , there is a lot of controversy in the DIY community and the players. Everybody knows that the Fuzz War II is a super dirty Muff-inspired circuit, but there’s not that much information regarding the original version of this saturated and dirty fuzz. That’s why we took on our hands the task of replicating this amazing circuit piece by piece, and after analyzing many units and schematics, here we have the final version of dirty saturated fuzz.

Spoiler alert! No effort spared when giving you the best-sounding projects in your hands. You get the pcb with the matching documents to build our take on the first version that is no longer in production.

By analyzing the schematic you can tell there’s nothing related to a Big Muff but the Tone control. This is a seven-gain stage monster!

Fully saturated fuzz is the main territory of this pedal. So the answer to the question: “Does it doom?” hell yeah!

Also great on bass but we recommend adding a blend board to keep the low end alive.

Controls

• Fuzz

• Volume

• Tone

• Bias (Trimmer)

For further analysis on this circuit take a look at this thread on Free Stomp Boxes Forum.

For any technical questions regarding this build don’t forget to check out our Facebook Group and our forum at Free Stomp Boxes.

Death By Fuzz I 2v0 – Building Docs

Death By Fuzz I 1.1v – Building Docs

Death By Fuzz I 1.0v – Building Docs

Death By Fuzz I 2v0 – Drilling template

Death by Fuzz I 1.0v & 1.1v – Drilling Template

Schematic

The schematic is in the vendor's build document, page 7. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 45 rows

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Resistors 19
R11m1M
R3120k120k
R4390r390
R6180k180k
R7390r390
R9120k120k
R10390r390
R12180k180k
R13390r390
R15180k180k
R16390r390
R1733k33k
R1833k33k
R2027k27k
R21180k180k
R22390r390
R24180k180k
R25390r390
R264k74.7k
Capacitors 11
C1680n680n
C2680n680n
C3680n680n
C4680n680n
C5680n680n
C6680n680n
C10680n680n
C11680n680n
C12680n680n
C73n93.9n
C810n10n
Diodes 5
D01n58171N5817
D11n34a1N34A
D21n34a1N34A
D31n34a1N34A
D41n34a1N34A
Transistors 7
Q12N50882N5088
Q22N50882N5088
Q32N50882N5088
Q42N50882N5088
Q52N50882N5088
Q62N50882N5088
Q72N50882N5088
Potentiometers 3
FUZZ100KBB100kPotentiometer
VOL1MBB1MPotentiometer
BIAS10K10kPotentiometer