Akashic Guitar effects circuit lookup
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1590B · 1 knob

From the vendor

Boost and 2-way Tone Control

Gradient is a simple yet unique boost circuit which uses a single gain control to provide two different flavors of boost. Turn it one way for a gain and mid boost, the other for a thick or bright boost. The PCB is designed to be configured in a number of ways, from a basic mod to place in front of another dirt box to a full featured drive in and of itself.

Photos below show Gradient built as stock and another built with "all the mods."

Sale is for PCB only. You must source the components and build the pedal yourself. To make foot switch wiring easier, we also suggest you buy the 3pdt utility switch.

Gradient Build Guide

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NOT FOR COMMERCIAL USE

Schematic

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

Parts list 20 rows

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Got parts in a drawer? See what you can build with them.

RefValueNormalizedTypeNotes
Resistors 10
R12.2M2.2M1/4 Watt Resistor
R210k10k1/4 Watt Resistor
R31M1M1/4 Watt Resistor
R410k10k1/4 Watt Resistor
R510k10k1/4 Watt Resistor
R6100k100k1/4 Watt Resistor
R710k10k1/4 Watt Resistor
R8220R2201/4 Watt Resistor
R947k47k1/4 Watt Resistor
R10220R2201/4 Watt Resistor
Capacitors 7
C122n22nFilm Cap
C21uF1uFilm Cap
C30.33u330nFilm Cap
C447u47uElectrolytic Cap 100u
C54.7u4.7uElectrolytic Cap
C6470p470pCeramic Cap
C8100u100uElectrolytic Cap
Diodes 1
D11n58181N5818Schottky Diode 1n4001,
ICs 1
IC1LM741PLM741POP AMP TL071,
Potentiometers 1
ColorW20kW20k16mm Pot B25k