FuzzDog Dumbo Silver Operating instructions

Type
Operating instructions
Dumbo Silver
Dumble Silverface
amp-in-a-box
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 2M2
R2 470K
R3 820R
R4 10K
R5 1K
R6 220R
R7 470R
R8 1K
R9 10K
R10 10K
C1 47n
C2 100p
C3 100n
C4 470n
C5 220n
C6 220n
C7 1u
C8 47u elec
C9 100u elec
IC1 TL072
D1 1N5817
VOL 100KA
DEP 25KB
GAIN 500KB
TONE 25KB
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 theyre 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
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.
32mm
27mm
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FuzzDog Dumbo Silver Operating instructions

Type
Operating instructions

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