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GAINVOLUME

Enclosure not stated · 2 knobs

Tagboard Effects

Escobedo Tripple FuzzVerified

Based on the Escobedo Tripple Fuzz· 2 other boards clone it

Category
Fuzz
Controls
Gain · Volume
Build
Vero· 14×8· 7 cuts, 3 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Fuzz, Noise, Octave

From the post

When i started to draw layouts, i did draw something like 10 of vintage fuzzes that weren't published on this blog earlier. I build most of them and that's when i realized why they weren't posted. Most of them are pure crap. For those who are after "that 60's sound" - the ear piercing super thin fuzz (or just plain ugly IMO) could be satisfied with Shin-Ei and Maestro fuzzes covered here. There are many, but i find only a fraction of those circuits to be any use. For example, the stock version of VOX distortion booster is really not worth your while. I can only speak out my opinions, but the same applies to most Maestro and Höfner schematics out there. But in search for good little fuzz circuits to practise my layout drawing on, i found Tim Escobedo's circuit snippets. These are generally just proof of concept circuits and thus, not necessarily finished products.

This particular one just sounded good to me. It offers plain Elektra distortion-like, boring, but usable distortion with gain at zero. Fuzz rises with a turn of that knob, finally resulting in something really sick with massive made up overtones. It is basically a frequency tripler :) So i though i'd share this one too.

As a few mods, you could increase the 100n cap value at the input, as the base circuit kills a lot of low end when gain is maxed - or - when the circuit is at its best :)

A word about the circuit from Mr. Escobedo:

"This is a fuzz using a "nonselective frequency tripler", originally designed by R. Lockhart Jr. At low gains the sound can be very sweet. As the gain rises, you get a odd splatty fizz going on. And at max gain it's completely nasty. A nice, easy build."

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 13 rows

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Check before you build · 2 values the reader of this layout was not sure of
  • 5M resistor at the left edge: printed clearly, unusual value
  • 500K resistor below Q2: printed clearly, unusual value
RefValueNormalizedTypeNotes
Resistors 5
×310K10kread from the layout by eye
×15M5Mread from the layout by eye
×11M1Mread from the layout by eye
×1500K500kread from the layout by eye
×1??LED resistor, value not given; read from the layout by eye
Capacitors 2
×3100nF100nread from the layout by eye
×1220pF220pread from the layout by eye
Diodes 1
×21N41481N4148Diodes are Si, try 1N4148 or 1N914; read from the layout by eye
Transistors 3
Q1MPSA18MPSA18read from the layout by eye
Q22N39062N3906read from the layout by eye
Q32N39042N3904read from the layout by eye
Potentiometers 2
GainB10KB10kPotentiometerread from the layout by eye
VolumeA100KA100kPotentiometerread from the layout by eye

Other boards based on the Escobedo Tripple Fuzz