Akashic Guitar effects circuit lookup
GAINTONELEVEL

Enclosure not stated · 3 knobs

PCBWay: Glory to Ukraine

Plumes

Based on the EarthQuaker Devices Plumes· 8 other boards clone it

Category
Other
Controls
Gain · Tone · Level
Price
see vendorin stock
Tags
EQD, EQD, Plumes

Schematic

The schematic image is on the project page. Open it at PCBWay.

Parts list 28 rows

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Check before you build · 2 values the reader of this schematic was not sure of
  • image is only 600x424: most small values are best guesses (10M, 3k3, 220p, 51p x2, 22n, 220n, W10k, B100k)
  • mode switch drawn only as pads
RefValueNormalizedTypeNotes
Resistors 10
×21M1Mread from the schematic by eye
×110M10Mvalue hard to read (low-resolution image); read from the schematic by eye
×147k47kread from the schematic by eye
×13k33.3kgain-leg resistor; label illegible at this resolution, read as 3k3; read from the schematic by eye
×41k1kread from the schematic by eye
×1330330read from the schematic by eye
×110k10kread from the schematic by eye
×1100100read from the schematic by eye
×1100k100kread from the schematic by eye
×14k74.7kLED resistor; read from the schematic by eye
Capacitors 9
×1220p220pinput cap to ground; label illegible; read from the schematic by eye
×122n22nread from the schematic by eye
×251p51pfeedback caps; labels illegible; read from the schematic by eye
×122n22ntone shunt to ground; read as 22n; read from the schematic by eye
×1220n220nin series with 330 on tone wiper; label illegible; read from the schematic by eye
×41u1uread from the schematic by eye
×110u10uoutput; read from the schematic by eye
×210u10ucharge pump; read from the schematic by eye
×1100u100uread from the schematic by eye
Diodes 2
×31N41481N4148read from the schematic by eye
×11N58171N5817read from the schematic by eye
ICs 2
×2TL072TL072four op-amp sections drawn = two dual chips; read from the schematic by eye
×1TC1044SCPATC1044SCPAcharge pump; read from the schematic by eye
Potentiometers 3
GainA1MA1MPotentiometerread from the schematic by eye
ToneW10kW10kPotentiometertaper/value unclear; read from the schematic by eye
LevelB100kB100kPotentiometervalue unclear; read from the schematic by eye
Switches 1
Mode3-way3-WAYdrawn only as pads 1/2/3 selecting the clipping options; read from the schematic by eye
LEDs 1
×2LEDLEDclipping LEDs, one marked RED; read from the schematic by eye

Other boards based on the EarthQuaker Devices Plumes