Akashic Guitar effects circuit lookup
GAINPRESENCEVOLUMETREBLEMIDBASS

Enclosure not stated · 6 knobs

Effects Layouts (blog)

EarthQuaker Devices TalonsVerified

Based on the EarthQuaker Devices Talons· 9 other boards clone it

Category
Overdrive
Controls
Gain · Presence · Volume · Treble · Mid · Bass
Layout
Verified · Effects Layouts (blog) marks it as built and working
Tags
Earthquaker Devices, Overdrive

From the post

A while ago I laid this out for board mount 9mm pots at the request of someone on FSB. Always intended to modify that original layout for use with more common 16mm pots. Turns out it was easier to just lay it out fresh. Anyway, the Talons is a very versatile OD with an active 3-band EQ, and can run off +9v or +18v power supplies.

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 Effects Layouts (blog). No KiCad fragment has been drawn for this circuit yet.

Parts list 27 rows

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RefValueNormalizedTypeNotes
Resistors 7
×610K10kread from the layout by eye
×22.2K2.2kread from the layout by eye
×33.3K3.3kread from the layout by eye
×41K1kread from the layout by eye
×1220K220kread from the layout by eye
×14.7K4.7kread from the layout by eye
×1100Ω100read from the layout by eye
Capacitors 10
×147nF47nread from the layout by eye
×13.3nF3.3nread from the layout by eye
×24.7nF4.7nread from the layout by eye
×122nF22nread from the layout by eye
×1100nF100nread from the layout by eye
×2100pF100pread from the layout by eye
×21uF1uelectrolytic; read from the layout by eye
×12.2uF2.2uelectrolytic; read from the layout by eye
×110uF10uelectrolytic; read from the layout by eye
×1100uF100uelectrolytic; read from the layout by eye
Diodes 1
×11N40011N4001read from the layout by eye
ICs 1
IC1TL072TL072read from the layout by eye
Potentiometers 6
GainA500KA500kPotentiometerread from the layout by eye
PresenceB5KB5kPotentiometerread from the layout by eye
VolumeA100KA100kPotentiometerread from the layout by eye
TrebleB100KB100kPotentiometerread from the layout by eye
MidB50KB50kPotentiometerread from the layout by eye
BassB50KB50kPotentiometerread from the layout by eye
LEDs 2
D1red 5mm LEDRED 5MM LEDD1-2: clear red 5mm LEDs; read from the layout by eye
D2red 5mm LEDRED 5MM LEDD1-2: clear red 5mm LEDs; read from the layout by eye

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