Akashic Guitar effects circuit lookup
VOLUMEFILTERDISTORTION

Enclosure not stated · 3 knobs

Tagboard Effects

Proco RatVerified

Based on the ProCo RAT· 41 other boards clone it

Category
Distortion
Controls
Volume · Filter · Distortion
Build
Vero· 20×11· 15 cuts, 4 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Distortion, Overdrive, ProCo
Open the layout at Tagboard Effects

From the post

And a slightly more compact layout

Video of Geiri's build:

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 Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.

Parts list 23 rows

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RefValueNormalizedTypeNotes
Resistors 7
×31M1Mread from the layout by eye
×2100K100kread from the layout by eye
×21K1kread from the layout by eye
×247R47read from the layout by eye
×1560R560read from the layout by eye
×11K51.5kread from the layout by eye
×110K10kread from the layout by eye
Capacitors 9
×130p30pread from the layout by eye
×1100p100pread from the layout by eye
×11n1nread from the layout by eye
×13n33.3nread from the layout by eye
×222n22nread from the layout by eye
×21u1uread from the layout by eye
×12u22.2uelectrolytic; read from the layout by eye
×24u74.7uelectrolytic; read from the layout by eye
×1100u100uelectrolytic; read from the layout by eye
Diodes 2
D11N41481N4148read from the layout by eye
D21N41481N4148read from the layout by eye
Transistors 1
Q12N54582N5458JFET; read from the layout by eye
ICs 1
IC1LM308LM308legend: IC is LM308; read from the layout by eye
Potentiometers 3
VolumeA100KA100kPotentiometerread from the layout by eye
FilterA100KA100kPotentiometerread from the layout by eye
DistortionA100KA100kPotentiometerread from the layout by eye

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