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CONTFUZZINPUTVOLBIAS

125B · 5 knobs

PCB Guitar Mania

Fuzztone 69

Based on the Fulltone 69 MKII

Category
Fuzz· Germanium Fuzz Face
Controls
Cont · Fuzz · Input · Vol · Bias
Difficulty
Easy
Price
€9.90out of stock

Heads up Builders widely report inconsistent quality from PCB Guitar Mania boards, and whether a given board works is a gamble. Read recent forum reports before ordering.

From the vendor

Project overview

A fat and harmonic classic fuzz that cleans up like a vintage Fender amp when you turn down your guitar’s volume control.

When using it with an already distorted sound, you will immediately recognize the waves that produce: It’s Jimi Hendrix’s sound, the early David Gilmour, Eric Johnson, and many other guitar icons!

Introduction

This is the pedal we talk about when referring to THE classic fuzz. Fuzztone 69 delivers exactly the legendary Fuzzface sound with the Fulltone-typical quality and reliability of design.

Inspired by Fulltone ’69 – with roots on the all-time classic fuzz face – this germanium fuzz incorporates some handy features:

The input knob that helps to dial just the right amount of signal you want to drive into the unit – independently of how hot are your pickups – and the Contour (Bias)control to perfect the midrange, harmonics, and sustain of the effect. It includes an additional trimer to do the fine-tuning bias on the second transistors. This pedal works with NPN Germanium transistors (Q1: hFE ~70, Q2: hFE ~100), which operates with negative voltage; that’s why we included on board a voltage inverter so you can plug it into your everyday power supply simple and easy.

Controls

• Cont

• Fuzz

• Input

• Vol

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

Fuzztone 69 1v1 – Building Docs

Fuzztone 69 – Building Docs

Fuzztone 69 – Drilling template

Schematic

The schematic is in the vendor's build document, page 5. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 23 rows

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RefValueNormalizedTypeNotes
Resistors 6
R11M1M
R233k33k
R3100k100k
R4220R220
R51k1k
R61M1M
Capacitors 8
C2100nf100n
C3100pf100p
C8100nf100n
C147uf47u
C410uf10u
C52u22.2u
C610uf10u
C722uf22u
Diodes 1
D11N58171N5817
Transistors 2
Q1PNPPNP
Q2PNPPNP
ICs 1
IC1TC1044TC1044
Potentiometers 5
CONTB1KB1kPotentiometer
FUZZC1KC1kPotentiometer
INPUTB50KB50kPotentiometer
VOLA500KA500kPotentiometer
BIAS10K10kPotentiometer