FuzzDog Razorback Operating instructions

Brand
FuzzDog
Model
Razorback
Type
Operating instructions
Razorback
Glorious combo of a Boner
pushing a tweaked Rat
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 10M
R2 10M
R3 5K1
R4 1K
R5 100K
R6 560R
R7 Jumper
R8 1K
R9 2M2
R10 1K5
R12 1M8
R14 220R
R15 10K
R16 10K
R17 10K
R18 1M
C1 100n
C2 22n
C3 1n
C4 4u7 elec
C5 3n3
C6 22n
C7 1n
C8 1u
C9 100u elec
C10 33p
C11 4u7 elec
C12 47u elec
D1 9V1 Zener
D2-3 5mm Red LED
D4 1N5817
D5-6 1N4148
Q1 BS170
Q2 2N5457
IC1 OPA604AP*
VOL 100KA
CALI 5KC
GAIN 100KA
TONE 100KA
*Unobtanium single op-amp. The usual Rat suspects will work fine.
We settled on TL071, though there wasn’t much in it.
PCB layout ©2023 Pedal Parts Ltd.
Snap the small metal tag off the pots so
they can be mounted flush in the box.
You should solder all other board-mounted
components before you solder the pots.
Once they’re in place you’ll have no access to
much of the board.
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
32mm
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.
27mm
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FuzzDog Razorback Operating instructions

Brand
FuzzDog
Model
Razorback
Type
Operating instructions
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