Akashic Guitar effects circuit lookup
VOLGAINTONE

Enclosure not stated · 3 knobs

GuitarPCB

Blues Power v2

Category
Utility
Controls
Vol · Gain · Tone
Price
$7.95out of stock

From the vendor

Blues Power is unique in that it combines a simple MOSFET boost stage with a JFET “tube” stage.

Description

Blues Power is unique in that it combines a simple MOSFET boost stage with a JFET “tube type” stage. The circuit is based off the R.O.G. Peppermill but with additional clipping options to allow the circuit to exhibit more clipping than the original and with LEDs providing a much warmer tube-style tone. Despite the original R.O.G design already sounding fantastic we decided to changed a value to allow more bass response making it bass ready. As a result it can be used a a boost or overdrive for both Bass and Standard guitar. The tone control is a low pass filter at minimum rotation, but at 65% rotation it changes to a fine high pass filter.

The Perfect Peppermill.

Blues Power Build Document

Schematic

The schematic is in the vendor's build document, page 2. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 30 rows

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RefValueNormalizedTypeNotes
Resistors 10
R11M1M
R21M1M
R31M1M
R44k74.7k
R51k1k
R6100k100k
R71k1k
R88k28.2k
R936k36k
R101k81.8k
Capacitors 6
C122n22n
C26n86.8n
C347n47n
C422n22n
C51u1u
C6100u100u
Diodes 4
D71N58171N5817
D11N47391N4739 / 9V1
D21N34A1N34A
D31N34A1N34A
Transistors 2
Q1BS170BS170
Q2J201J201
Potentiometers 3
VOLA100kA100kPotentiometer
GainA250kA250kPotentiometer
ToneB100kB100kPotentiometer
Trimmers 1
TR150k50k
Switches 1
SW1SPDT On-Off-OnSPDT ON-OFF-ON
LEDs 3
D6Status LEDSTATUS LED
D4Green LEDGREEN LED
D5Green LEDGREEN LED