FuzzDog HUGE Fuzz Operating instructions

Brand
FuzzDog
Model
HUGE Fuzz
Type
Operating instructions

FuzzDog HUGE Fuzz: One-knob wonder for massive fuzz tones. Unleash a world of gated, velcro-like textures with its unique trimmer configuration. Dial in the perfect amount of fuzz and volume with just two controls. Based on the classic Fuzz Face circuit, this pedal delivers a wide range of fuzz sounds, from smooth and creamy to aggressive and raunchy. Perfect for adding a touch of vintage fuzz to your guitar playing or creating experimental soundscapes. Get ready to take your fuzz game to the next level with the FuzzDog HUGE Fuzz.

FuzzDog HUGE Fuzz: One-knob wonder for massive fuzz tones. Unleash a world of gated, velcro-like textures with its unique trimmer configuration. Dial in the perfect amount of fuzz and volume with just two controls. Based on the classic Fuzz Face circuit, this pedal delivers a wide range of fuzz sounds, from smooth and creamy to aggressive and raunchy. Perfect for adding a touch of vintage fuzz to your guitar playing or creating experimental soundscapes. Get ready to take your fuzz game to the next level with the FuzzDog HUGE Fuzz.

HUGE!
Particularly doomy
One-Knob Fuzz
Contents of this document are ©2023 Pedal Parts Ltd.
No reproduction permitted without the express written
permission of Pedal Parts Ltd. All rights reserved.
Before you dig in, ensure you download
and read the General Build Guide.
It contains all the information you need
for a successful outcome.
General
Build
Guide
Your first stop
for build info
Contents of this document are ©2023 Pedal Parts Ltd.
No reproduction permitted without the express written
permission of Pedal Parts Ltd. All rights reserved.
Schematic + BOM
R1 18K
R2 820R
R3 4K7
R4 1M
R5 120K
C1 47n
C2 470p
C3 47p
C4 22n
C5 10u elec
C6 100u elec
D1 1N5817
Q1 BC548B*
Q2 2N5089
FUZZ 1K trimmer**
VOL 500KA
*There’s nothing remarkable about the transistor
selection, so feel free to substitute your own favourite
medium-gain BJT. Be aware the board is designed for
the BC548 which has a reversed pinout to your ‘normal’
transistors, so you’ll have to flip any such as 2N3904.
**This is set up as per a Fuzz Face gain control.
However, we prefer it tweaked. See next page.
PCB layout ©2023 Pedal Parts Ltd.
Snap the small metal tag off the pot so
it can be mounted flush in the box.
You should solder all other board-mounted components
before you solder the pot.
Once in place you’ll have no access to much of the
board, so how’s that gonna work?
Other than the adjustable gain control, this is a
One-Knob Fuzz like many others. You can make any of
our other variations on this PCB. Just check out the
standard OKF documentation and substitute the values
from there. Note, the component numbering isnt the
same on both boards, so you’ll have to check the
schematic to see which corresponds to which. Come on,
it’s a pretty small BOM.
TRIMMER
As the One-Knob Fuzz is basically a Fuzz
Face with a fixed fuzz setting, it makes
perfect sense for the trimmer to be
configured the same as that pot.
HOWEVER.... after extensive research and
experimentation (ahem), we found there
were much more interesting fuzzy
textures available by connecting pins 2
and 3 together, so that C5 is always
straight off the emitter of Q2. You’ll get a
range of trimmer adjustment where
there’s no signal coming through at all,
but once it kicks in there are some
fantastic gated, velcro sounds coming
through. Once you turn it all the way up
you’re in the same position as you would
be with it configured as standard. Try it.
What you got to lose?
The trimmers we supply fit into the outer
three pads, so the most convenient way to
join pins 2 and 3 is as shown left. If your
own trimmers fit into others, no worries.
You just need to join one left pad into one
centre pad - doesn’t matter which ones.
Get ready for gated awesomeness!
This template is a rough guide only. You should ensure correct marking of your
enclosure before drilling. You use this template at your own risk.
Pedal Parts Ltd can accept no responsibility for incorrect drilling of enclosures.
FuzzDog.co.uk
Drill sizes:
Pots 7mm
Jacks 10mm
Footswitch 12mm
DC Socket 12mm
Toggle switches 6mm
Rotary switches 10mm
Drilling template
Hammond 1590B - 60 x 111 x 31mm
Drill sizes listed are minimum.
It’s a good idea to add 1mm to anything
mounted on the PCB that’ll poke
through the front of the enclosure.
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FuzzDog HUGE Fuzz Operating instructions

Brand
FuzzDog
Model
HUGE Fuzz
Type
Operating instructions

FuzzDog HUGE Fuzz: One-knob wonder for massive fuzz tones. Unleash a world of gated, velcro-like textures with its unique trimmer configuration. Dial in the perfect amount of fuzz and volume with just two controls. Based on the classic Fuzz Face circuit, this pedal delivers a wide range of fuzz sounds, from smooth and creamy to aggressive and raunchy. Perfect for adding a touch of vintage fuzz to your guitar playing or creating experimental soundscapes. Get ready to take your fuzz game to the next level with the FuzzDog HUGE Fuzz.

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