Akashic Guitar effects circuit lookup
VOLUMERESONANCEEQDRIVE

Enclosure not stated · 4 knobs

Dirtbox Layouts

PE-12 Elektronika Venta OverdriveVerified

Based on the Elektronika Venta PE-12 Overdrive· 1 other board clones it

Category
Distortion
Controls
Volume · Resonance · Eq · Drive
Build
Vero· 21×17· 29 cuts, 17 links
Layout
Verified · Dirtbox Layouts marks it as built and working
Tags
Distortion, Overdrive, USSR, Venta

From the post

An old Soviet overdrive/distortion with some interesting features. The layout is modified and modernized to use three dual 8 pin op amps instead of 14 pin single op amps that was used in the original pedal.

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 27 rows

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Check before you build · 1 value the reader of this layout was not sure of
  • 3K at column 9, rows F-H: printed clearly, unusual value (a 3.3K sits elsewhere on the board)
RefValueNormalizedTypeNotes
Resistors 11
×315K15kread from the layout by eye
×21K1kread from the layout by eye
×233K33kread from the layout by eye
×210K10kread from the layout by eye
×1100K100kread from the layout by eye
×13K3kread from the layout by eye
×13.3K3.3kread from the layout by eye
×1680K680kread from the layout by eye
×1220K220kread from the layout by eye
×14.7K4.7kread from the layout by eye
×11.5M1.5Mread from the layout by eye
Capacitors 6
×3220nF220nread from the layout by eye
×21.5nF1.5nread from the layout by eye
×1680nF680nread from the layout by eye
×122nF22nread from the layout by eye
×110uF10uelectrolytic; read from the layout by eye
×147uF47uelectrolytic; read from the layout by eye
Diodes 3
D11N41481N41481N4148/1N914; KA521A in original; read from the layout by eye
D21N41481N41481N4148/1N914; KA521A in original; read from the layout by eye
D31N58171N5817read from the layout by eye
ICs 3
IC1145814581458, 4558, 5532 etc.; 5x KP140YA in original; read from the layout by eye
IC2145814581458, 4558, 5532 etc.; read from the layout by eye
IC3145814581458, 4558, 5532 etc.; read from the layout by eye
Potentiometers 4
EqB50KB50kPotentiometerdual; read from the layout by eye
DriveB50KB50kPotentiometerread from the layout by eye
ResonanceB50KB50kPotentiometerread from the layout by eye
VolumeB50KB50kPotentiometerread from the layout by eye

Other boards based on the Elektronika Venta PE-12 Overdrive