Akashic Guitar effects circuit lookup
OVERDRIVEFREQUENCYEQ GAINLEVEL

Enclosure not stated · 4 knobs

Dirtbox Layouts

Pearl OD-05 OverdriveVerified

Based on the Pearl OD-05 Overdrive· 4 other boards clone it

Category
EQ / Filter
Controls
Overdrive · Frequency · Eq Gain · Level
Build
Vero· 21×23· 28 cuts, 12 links
Layout
Verified · Dirtbox Layouts marks it as built and working
Tags
Eq, Overdrive, Pearl

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 31 rows

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RefValueNormalizedTypeNotes
Resistors 10
×1470Ω470read from the layout by eye
×41K1kread from the layout by eye
×22.2K2.2kread from the layout by eye
×23.3K3.3kread from the layout by eye
×14.7K4.7kread from the layout by eye
×710K10kread from the layout by eye
×722K22kread from the layout by eye
×1270K270kread from the layout by eye
×1680K680kread from the layout by eye
×31M1Mread from the layout by eye
Capacitors 12
×1470pF470pread from the layout by eye
×14.7nF4.7nread from the layout by eye
×115nF15nread from the layout by eye
×133nF33nread from the layout by eye
×168nF68nread from the layout by eye
×2100nF100nread from the layout by eye
×1220nF220nread from the layout by eye
×31uF1uelectrolytic; read from the layout by eye
×110uF10uelectrolytic; read from the layout by eye
×147uF47uelectrolytic; read from the layout by eye
×1100uF100uelectrolytic; read from the layout by eye
×1220uF220uelectrolytic; read from the layout by eye
Diodes 3
×21N41481N4148D1, D2; legend: 1N4148/1N914; read from the layout by eye
D35.1V Zener5V1read from the layout by eye
D41N58171N5817read from the layout by eye
Transistors 1
×42N50882N5088Q1-Q4; legend: 2N5088, 2N3904 etc.; read from the layout by eye
ICs 1
×2JRC4558JRC4558IC1, IC2; read from the layout by eye
Potentiometers 4
OverdriveB100KB100kPotentiometerread from the layout by eye
FrequencyC100KC100kPotentiometerdual; read from the layout by eye
Eq GainB10KB10kPotentiometerread from the layout by eye
LevelB10KB10kPotentiometerread from the layout by eye

Other boards based on the Pearl OD-05 Overdrive