Akashic Guitar effects PCB lookup
FUZZTONEVOLUMEBALANCE

1590B · 4 knobs

Aion FX

Phobos (Legacy)

Based on the Tone Bender Mk III· 1 other board clones it

Category
Fuzz· Germanium Fuzz
Controls
Fuzz · Tone · Volume · Balance
Difficulty
Easy
Price
see vendor

From the vendor

A reproduction of the third version of the Tone Bender germanium fuzz sold by Macaris in London in the late 1960s.

Project description

The Phobos Fuzz is a clone of the Colorsound / Sola Sound Tone Bender Mk. III. Using this PCB, you can also build a Baldwin-Burns Buzzaround. Just make sure to read the documentation because there are a few major differences between the two circuits.

The Tonebender was sold under a number of different brand names, including Vox and Park Sound. While the official Sola Sound version was just called the “Tone Bender” officially, the Vox version included the “Mark III”, and it was the direct successor of the “Mark II” (my Deimos project) so the Mk III designation has come to represent this version. It’s also commonly called the 3-Knob Tonebender to distinguish it from versions 1 and 2 that only had two knobs.

Schematic

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

Parts list 30 rows

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RefValueNormalizedTypeNotes
Resistors 10
R147k47k
R2220k220k
R310k10k
R43k33.3k
R51k1k
R61k1k
R718k18k
R810k10k
R910k10k
R10220k220k
Capacitors 9
C1100n100n
C2220pF220p
C310uF10uelec
C4220n220n
C5100n100n
C62n22.2n
C747uF47uelec
C810uF10uelec
C910uF10uelec
Diodes 2
D11N47421N4742
D21N2701N270
Transistors 3
Q1PNPPNP
Q2PNPPNP
Q3PNPPNP
ICs 1
IC1TC1044STC1044S
Potentiometers 4
FUZZ100KBB100kPotentiometer
TONE100KBB100kPotentiometer
VOLUME100KAA100kPotentiometer
BALANCE10KBB10kPotentiometer
LEDs 1
LED1intoINTO

Other boards based on the Tone Bender Mk III

  • Phobos Aion FX · 125B · $12.50