Akashic Guitar effects circuit lookup
MSTRGAINBASSTREBVOLFUZZBODYBRIGHT

1590BB2 · 8 knobs

GuitarPCB

NostalgiTone Zoso Tone Dual Combo: The Early Years Zep Tone

Category
Utility
Controls
Mstr · Gain · Bass · Treb · Vol · Fuzz · Body · Bright
Price
see vendorin stock

From the vendor

Now Available in (3) Purchase Options:

PCB + Matching Plate Bundle — $15.95PCB Only — $13.95Matching Plate Only — $7.95

Plate Fits 1590BB2 size enclosure w/ 5mm LEDs

Description

NostalgiTone ZOSO Tone Dual Combo: Introducing a powerful fusion of two iconic circuits designed to recreate the legendary sound of Led Zeppelin. The “WattAMP” circuit delivers robust, high-headroom clarity reminiscent of Hiwatt amps, providing rich overdrive tones without excessive volume. Meanwhile, the “Luna Fuzz” offers a thick, substantial fuzz tone, allowing you to explore a wide range from tight overdrive to ultra-saturated fuzz. Experience the unmistakable tones that defined an era and unlock endless sonic possibilities!

Key Features:

• Authentic HiWatt-style preamp and tone stack with adjustable EQ for precise tonal control.

• Fuzz is used for soaring solos and powerful riffs, equally effective as a standalone Fuzz tone or in tandem with the Preamp.

• Built-in order switching for endless tonal possibilities, allowing you to easily reverse the signal path.

(Use a 3PDT On/On short shaft / stubby switch for order switching)

Designed for a 1590BB2 enclosure, featuring the same dimensions as a 1590BB but with 125B clearance.

Tayda 1590BB2 Enclosure Options Link

ZOSO Tone Build Document

1590BB2 size (Tayda Drilled) – 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 50 rows

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Variant
RefValueNormalizedTypeNotes
Resistors 19
R11M1M
R1110k10k
R23k33.3k
R1210M10M
R33k33.3k
R133k33.3k
R41k1k
R143k33.3k
R512k12k
R15130R130
R6200k200k
R1612k12k
R710M10M
R1712k12k
R83k33.3k
R1862k62k
R93k33.3k
R19100k100k
R10100k100k
Capacitors 20
C1270pF270p
C1110n10n
C2100n100n
C1210n10n
C3100uF100u
C13100n100n
C4220n220n
C14100uF100u
C5470n470n
C1510uF10u
C647n47n
C162n22.2n
C7100uF100u
C172n22.2n
C84u74.7u
C18100uF100u
C94n74.7n
C19100n100n
C10470pF470p
C2010uF10u
Diodes 4
D11N47391N4739 / 9V1
D21N47391N4739 / 9V1
D31N47391N4739 / 9V1
D41N58171N5817
Transistors 3
Q1BS170BS170
Q2BS170BS170
Q3BS170BS170
Potentiometers 4
MSTRA100KA100kPotentiometer
GAINA500KA500kPotentiometer
BASSA500KA500kPotentiometer
TREBB500KB500kPotentiometer