Akashic Guitar effects circuit lookup
RATEINTENSITYTHROBVOICELEVEL

Enclosure not stated · 5 knobs

Dirtbox Layouts

EarthQuaker Devices The DepthsVerified

Based on the EarthQuaker Devices The Depths· 9 other boards clone it

Controls
Rate · Intensity · Throb · Voice · Level
Build
Vero· 24×24· 37 cuts, 21 links
Layout
Verified · Dirtbox Layouts marks it as built and working
Tags
Earthquaker Devices, Modulation, Vibe

Schematic

This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Dirtbox Layouts. No KiCad fragment has been drawn for this circuit yet.

Parts list 35 rows

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RefValueNormalizedTypeNotes
Resistors 13
×847K47kread from the layout by eye
×3100K100kread from the layout by eye
×310K10kread from the layout by eye
×2220K220kread from the layout by eye
×23.3K3.3kread from the layout by eye
×21M1Mread from the layout by eye
×12.2M2.2Mread from the layout by eye
×156K56kread from the layout by eye
×122K22kread from the layout by eye
×115K15kread from the layout by eye
×14.7K4.7kread from the layout by eye
×1100Ω100read from the layout by eye
×1??LED resistor, value not given; read from the layout by eye
Capacitors 10
×1100pF100pread from the layout by eye
×1470pF470pread from the layout by eye
×14.7nF4.7nread from the layout by eye
×115nF15nread from the layout by eye
×1100nF100nread from the layout by eye
×1220nF220nread from the layout by eye
×51uF1uelectrolytic; read from the layout by eye
×110uF10uelectrolytic; read from the layout by eye
×247uF47uelectrolytic; read from the layout by eye
×1100uF100uelectrolytic; read from the layout by eye
Diodes 1
D21N58171N5817read from the layout by eye
Transistors 2
Q1MPSA18MPSA18read from the layout by eye
Q2MPSA18MPSA18read from the layout by eye
ICs 2
IC1TL072TL072read from the layout by eye
IC2TL074TL074read from the layout by eye
Opto 1
×4KE-10720KE-10720LDR (10-20k light - 0.5M dark); read from the layout by eye
Potentiometers 5
RateB100KB100kPotentiometerdual; read from the layout by eye
IntensityB25KB25kPotentiometerread from the layout by eye
ThrobB25KB25kPotentiometerread from the layout by eye
VoiceB10KB10kPotentiometerread from the layout by eye
LevelA100KA100kPotentiometerread from the layout by eye
LEDs 1
D15mm diffused yellow LED5MM DIFFUSED YELLOW LEDon board, lights the LDRs; read from the layout by eye

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