Akashic Guitar effects PCB lookup
LOW CUTGAIN TRIMLEVEL LOWLEVEL HIGHGAIN LOWGAIN HIGHVOLTAGEHIGH/LOW GAIN

1590BBM · 8 knobs

PedalPCB· PCB326

Duocast

Based on the Hudson Broadcast (Dual Footswitch)

Category
Fuzz· OD / Distortion / Fuzz
Controls
Low Cut · Gain Trim · Level Low · Level High · Gain Low · Gain High · Voltage · High/Low Gain
Price
$10.00in stock

From the vendor

Controls

• Low Cut – Attenuates low frequencies

• Gain Trim – Controls the gain of the unit

• Level Low – Controls the overall output volume in Low Gain mode

• Level High – Controls the overall output volume in High Gain mode

• Gain Low (Internal Trimpot) – Sets the Gain in Low Gain mode

• Gain High (Internal Trimpot) – Sets the Gain in High Gain mode

• Voltage (Toggle Switch) – Selects between 9V / 27V operation

• Active/Bypass (Foot Switch) – Activates/Bypasses the pedal

• High/Low Gain (Foot Switch) – Selects between High Gain / Low Gain modes

Specifications

• Designed for a 1590BBM enclosure with top-mounted jacks

Documentation

Schematic

The schematic is in the vendor's build document, page 4. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 47 rows

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RefValueNormalizedTypeNotes
Resistors 16
R1220K220kResistor, 1/4W
R256K56kResistor, 1/4W
R333K33kResistor, 1/4W
R45K65.6kResistor, 1/4W
R51K1kResistor, 1/4W
R65K65.6kResistor, 1/4W
R868R68Resistor, 1/4W
R94K74.7kResistor, 1/4W
R105K65.6kResistor, 1/4W
R115K65.6kResistor, 1/4W
R121M1MResistor, 1/4W
R1310R10Resistor, 1/4W
R1415K15kResistor, 1/4W
R1533K33kResistor, 1/4W
R1004K74.7kResistor, 1/4W
R1014K74.7kResistor, 1/4W
Capacitors 16
C1330n330nFilm capacitor, 7.2 x 5.0mm
C2330p330pCeramic capacitor
C3120u120uElectrolytic capacitor, 5mmMinimum 35V working voltage
C410u10uElectrolytic capacitor, 5mmMinimum 35V working voltage
C5330n330nFilm capacitor, 7.2 x 5.0mm
C6100u100uElectrolytic capacitor, 5mmMinimum 35V working voltage
C71n1nFilm capacitor, 7.2 x 2.5mm
C8100u100uElectrolytic capacitor, 5mmMinimum 35V working voltage
C9330u330uElectrolytic capacitor, 5mmMinimum 35V working voltage
C10120u120uElectrolytic capacitor, 5mmMinimum 35V working voltage
C11100u100uElectrolytic capacitor, 5mmMinimum 35V working voltage
C1210u10uElectrolytic capacitor, 5mmMinimum 35V working voltage
C1310u10uElectrolytic capacitor, 5mmMinimum 35V working voltage
C1410u10uElectrolytic capacitor, 5mmMinimum 35V working voltage
C1510u10uElectrolytic capacitor, 5mmMinimum 35V working voltage
C10047u47uElectrolytic capacitor, 5mm
Diodes 5
D11N58171N5817Schottky diode, DO-41
D21N58171N5817Schottky diode, DO-41
D31N58171N5817Schottky diode, DO-41
D41N58171N5817Schottky diode, DO-41
D1001N58171N5817Schottky diode, DO-41
Transistors 2
Q1BC549CBC549CBJT transistor, NPN TO-92
Q2OC71OC71Germanium transistor, PNP
ICs 1
IC1LT1054LT1054Charge pump IC
Potentiometers 4
LOWCUTA10KA10k16mm right-angle PCB mount pot10K Logarithmic taper
GAINA250KA250k16mm right-angle PCB mount pot250K Logarithmic taper
LEVEL1B25KB25k16mm right-angle PCB mount pot25K Linear taper
LEVEL2B25KB25k16mm right-angle PCB mount pot25K Linear taper
Trimmers 3
T1TY-141PTY-141PAudio transformer10K:10K
TRIM_HIGH1K1kTrim potentiometer1K, 3362P style
TRIM_LOW1K1kTrim potentiometer1K, 3362P style