Akashic Guitar effects circuit lookup
FILTERINPUTVOL

1590B · 3 knobs

Five Cats Pedals

Impending Doom

Based on the Audio Surplus Effects OK Doomer· 5 other boards clone it

Category
Distortion· Distortion, Fuzz
Controls
Filter · Input · Vol
Price
£4.50in stock
Buy the PCB at Five Cats Pedals Build document Schematic PDFInteractive BOMGeneral build guide

From the vendor

Audio Surplus say “Basically sounds like you’re playing a million distortion pedals into a big, loud amp that you can’t afford.”

Super high gain fuzz/OD – you can doom to your hearts content with this one.

The internal trimmers (filter/input) have been moved outside to make it more usable.

Controls:

• Volume

• Filter

• Input

Schematic

The schematic is in the vendor's build document, page 1. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 41 rows

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RefValueNormalizedTypeNotes
Resistors 21
R3100K100k0.25 Watt Resistor
R8100K100k0.25 Watt Resistor
R13100K100k0.25 Watt Resistor
R18100K100k0.25 Watt Resistor
R4470K470k0.25 Watt Resistor
R9470K470k0.25 Watt Resistor
R14470K470k0.25 Watt Resistor
R515K15k0.25 Watt Resistor
R1015K15k0.25 Watt Resistor
R1515K15k0.25 Watt Resistor
R6390R3900.25 Watt Resistor
R16390R3900.25 Watt Resistor
R77.5K7.5k0.25 Watt Resistor
R127.5K7.5k0.25 Watt Resistor
R17430K430k0.25 Watt Resistor
R19430K430k0.25 Watt Resistor
R11M1M0.25 Watt Resistor
R21.5K1.5k0.25 Watt Resistor
R11100R1000.25 Watt Resistor
R201K1k0.25 Watt Resistor
R212.2K2.2k0.25 Watt Resistor
Capacitors 11
C1820nF820nCap-Box
C7820nF820nCap-Box
C102820nF820nCap-Box
C2470pF470pCap-Ceramic
C4470pF470pCap-Ceramic
C582nF82nCap-Box
C682nF82nCap-Box
C368nF68nCap-Box
C83.3nF3.3nCap-Box
C947nF47nCap-Box
C101100uF100uCap-Electro-Radial
Diodes 1
D11N41481N4148Standard Diode
Transistors 4
Q1MPSA18MPSA18Transistor-TO-92 Inline Wide
Q2MPSA18MPSA18Transistor-TO-92 Inline Wide
Q3MPSA18MPSA18Transistor-TO-92 Inline Wide
Q4MPSA18MPSA18Transistor-TO-92 Inline Wide
Potentiometers 3
FILTER1B10KB10kPotentiometer Alpha just holes
INPUT1B1MB1MPotentiometer Alpha just holes
VOL1B100KB100kPotentiometer Alpha just holes
Other 1
TP1Board-Connector-4-board-connectorBOARD-CONNECTOR-4-BOARD-CONNECTORTH-SolderPad-Medium-4

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