Akashic Guitar effects circuit lookup
VOLPRESGAINBASSMIDTREB

125B · 6 knobs

GuitarPCB

NostalgiTone The Mule Single: Amazing Super Lead OD Preamp

Category
Overdrive
Controls
Vol · Pres · Gain · Bass · Mid · Treb
Price
see vendorout of stock

From the vendor

Now Available in (3) Purchase Options:

PCB + Matching Plate Bundle — $11.95PCB Only — $9.95Matching Plate Only — $5.95

Plate Fits 125B size enclosure w/ 5mm LED

Description

NostalgiTone The Mule is the Most Versatile Preamp in the NostalgiTone Series

The Mule delivers full-spectrum tone control with a complete EQ section: Bass, Mid, Treble, Presence, and a Tight switch for dialing in just the right response. Inspired by one of the most iconic high-gain amps from the late ’80s and early ’90s, this Super Lead Overdrive-style circuit produces everything from saturated leads to articulate cleans—perfect for players who demand versatility.

• Clean, Easy WiringNo more messy or intimidating wiring jobs—The Mule is designed with a clean layout for a professional look inside and out. Enjoy rich, all-analog tones enhanced with smart, modern features—all in a compact format that’s gig-ready and travel-friendly.

• Smart Component SelectionWe know that sourcing parts can be a challenge. That’s why every component in the NostalgiTone series has been carefully chosen for availability from today’s top suppliers, so you can build with confidence.

NostalgiTone The Mule Build Document

Note: You may also use TC1044SCPA or TC1044SEPA Charge Pumps.

Order a drilled enclosure from Tayda (registration required)

• 125B size only – Drilled Enclosure Link

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 67 rows

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RefValueNormalizedTypeNotes
Resistors 26
R13M33.3M
R1410k10k
R268k68k
R1547k47k
R310M10M
R1610k10k
R41M1M
R171M1M
R522k22k
R1833k33k
R610k10k
R1910k10k
R7470k470k
R2033k33k
R84k74.7k
R2122k22k
R91M1M
R224k74.7k
R106k86.8k
R231k1k
R11330k330k
R24220R220
R12220k220k
R2510k10k
R13470k470k
R261k1k
Capacitors 26
C11uF1u
C1422n22n
C2100pF100p
C151n1n
C3100n100n
C1622n22n
C41n1n
C17100n100n
C52n22.2n
C1822n22n
C61n1n
C1922n22n
C7100pF100p
C201uF1u
C81uF1u
C2122n22n
C922n22n
C2210uF10u
C10100pF100p
C23100uF100u
C111uF1u
C24100uF100u
C12470pF470p
C25100n100n
C1322n22n
C26100n100n
Diodes 4
D11N52321N5232 / 5V65.6V
D21N52321N5232 / 5V65.6V
D31N58171N5817
D41N4742A1N4742A / 12V12V
ICs 4
IC1RC4558RC4558
IC2RC4558RC4558
IC3RC4558RC4558
IC4ICL7660SICL7660S
Potentiometers 6
VOLB25KB25kPotentiometer
PresC25KC25kPotentiometer
GainA500KA500kPotentiometer
BassA1MA1MPotentiometer
MIDB25KB25kPotentiometer
TrebB250KB250kPotentiometer
Switches 1
DeepSPDT switchSPDT SWITCHSwitch