Akashic Guitar effects circuit lookup
GAINTREBLEMIDBASSVOLUME

Enclosure not stated · 5 knobs

Dirtbox Layouts

Pigtronix PolySaturator

Based on the Pigtronix PolySaturator· 2 other boards clone it

Category
Distortion
Controls
Gain · Treble · Mid · Bass · Volume
Build
Vero· 27×23· 58 cuts, 29 links
Layout
Unverified · no build reported at Dirtbox Layouts yet
Tags
Distortion, Overdrive, Pigtronix

From the post

Unverified

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 44 rows

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Check before you build · 3 values the reader of this layout was not sure of
  • 250pF at column 13, rows Q-S: printed clearly, unusual value
  • 130K (four of them, around IC2): printed clearly, unusual value
  • Gain pot: legend prints '1mA', taken as A1M
RefValueNormalizedTypeNotes
Resistors 19
×7100K100kread from the layout by eye
×4130K130kread from the layout by eye
×310K10kread from the layout by eye
×210M10Mread from the layout by eye
×22.2M2.2Mread from the layout by eye
×251K51kread from the layout by eye
×21K1kread from the layout by eye
×2470Ω470read from the layout by eye
×1560K560kread from the layout by eye
×182K82kread from the layout by eye
×139K39kread from the layout by eye
×127K27kread from the layout by eye
×115K15kread from the layout by eye
×16.8K6.8kread from the layout by eye
×14.7K4.7kread from the layout by eye
×12.7K2.7kread from the layout by eye
×11.5K1.5kread from the layout by eye
×1150Ω150read from the layout by eye
×1??LED resistor, value not given; read from the layout by eye
Capacitors 12
×2100uF100uelectrolytic; read from the layout by eye
×22.2uF2.2uelectrolytic; read from the layout by eye
×1330nF330nread from the layout by eye
×2220nF220nread from the layout by eye
×1180nF180nread from the layout by eye
×2100nF100nread from the layout by eye
×168nF68nread from the layout by eye
×133nF33nread from the layout by eye
×18.2nF8.2nread from the layout by eye
×1560pF560pread from the layout by eye
×1250pF250pread from the layout by eye
×147pF47pread from the layout by eye
Diodes 2
D11N47391N4739 / 9V1Zener; read from the layout by eye
D21N58171N5817read from the layout by eye
Transistors 1
Q1J201J201JFET; read from the layout by eye
ICs 5
IC1TL072TL072read from the layout by eye
IC2CD4049UBECD4049UBEread from the layout by eye
IC3RC4558RC4558read from the layout by eye
IC4RC4558RC4558read from the layout by eye
IC5RC4558RC4558read from the layout by eye
Potentiometers 5
GainA1MA1MPotentiometerlegend prints 1mA; read from the layout by eye
TrebleB100KB100kPotentiometerread from the layout by eye
MidB100KB100kPotentiometerread from the layout by eye
BassB100KB100kPotentiometerread from the layout by eye
VolumeB100KB100kPotentiometerread from the layout by eye

Other boards based on the Pigtronix PolySaturator

  • Poly-pig PCB Guitar Mania · 125B · €11.90
  • PolyHog PedalPCB · 125B · $10.00