Akashic Guitar effects PCB lookup
GAINFREQ

1590C · 2 knobs

Dead End FX

Diddy

Based on the Son of Kong EQ/Gain pedal

Category
Overdrive· Overdrive, Eq, Preamp, Booster
Controls
Gain · Freq
Price
$15.00in stock
Buy the PCB at Dead End FX Build document

From the vendor

Clone board of the Son of Kong EQ/Gain pedal. Apparently, this is the EQ section that Frank Zappa ran in all his guitars. Runs on a standard 9v supply, offering up to 15db on channel 1, or 35db of boost on channel 2. Can run on up to a 36v supply voltage for way high headroom, or to pummel your amp into submission with up to 55db of boost(!). Also offers a DI output, so you can plug in direct to the board. The EQ section offers a wide variety of tonal bliss, including great cocked wah sounds. A great "Swiss Army Knife" of a circuit.

Schematic

The schematic is in the vendor's build document, page 6. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 61 rows

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RefValueNormalizedTypeNotes
Resistors 37
R147r47from schematic
R247r47from schematic
R347r47from schematic
R44k74.7kfrom schematic
R54k74.7kfrom schematic
R62k22.2kfrom schematic
R7150r150from schematic
R3147r47from schematic
R3218k18kfrom schematic
R3324k324.3kfrom schematic
R343k33.3kfrom schematic
R358k28.2kfrom schematic
R362k22.2kfrom schematic
R3718k18kfrom schematic
R388k28.2kfrom schematic
R392k22.2kfrom schematic
R1147r47from schematic
R121M51.5Mfrom schematic
R133k33.3kfrom schematic
R14100k100kfrom schematic
R1510k10kfrom schematic
R1610k10kfrom schematic
R1710k10kfrom schematic
R1810k10kfrom schematic
R19100k100kfrom schematic
R2047r47from schematic
R2147r47from schematic
R2210k10kfrom schematic
R2310k10kfrom schematic
R244k74.7kfrom schematic
R251k31.3kfrom schematic
R2610k10kfrom schematic
R27287r287from schematic
R2810k10kfrom schematic
R29215r215from schematic
R3010k10kfrom schematic
R92k22.2kOCR
Capacitors 20
C7180n180nfrom schematic
C8180n180nfrom schematic
C9100p100pfrom schematic
C231n1nfrom schematic
C253n93.9nfrom schematic
C2615n15nfrom schematic
C1556p56pfrom schematic
C1656p56pfrom schematic
C19220p220pfrom schematic
C2060p60pfrom schematic
C213n93.9nfrom schematic
C2215n15nfrom schematic
C1100u100uOCR
C3100n100nOCR
C6100u100uOCR
C11100n100nOCR
C124u74.7uOCR
C133u33.3uOCR
C1810u10uOCR
C24100u100uOCR
Diodes 1
D11n40011N4001from schematic
Potentiometers 3
GainB10KB10kPotentiometerfrom schematic
FREQB10KB10kPotentiometerOCR
GAINB10KB10kPotentiometerOCR