Akashic Guitar effects circuit lookup
VOLGAINTONE

125B · 3 knobs

GuitarPCB

NostalgiTone 70s Tweed Single: Embrace That Iconic Tone

Category
Other
Controls
Vol · Gain · Tone
Price
see vendorin 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

The NostalgiTone 70’s Tweed single is here to give you the ultimate sonic experience.

70’s Tweed: Unleash the authentic tones of the legendary Tweed 5E3 amp like never before. Equipped with adjustable internal trimmers and a versatile Hi/Lo switch, achieve it all—from powerful clean tones in Lo mode, Joe Walsh tones with Medium Gain, or fiery, Neil Young-worthy gain in Hi mode. When you pair Tweed with a Boost be prepared for an unprecedented sonic journey.

• Easy Wiring: No more daunting wiring hassles! Say hello to beauty under the hood. Enjoy all-analog tones with modern features that will slip into your gig bag, ensuring you are always ready to unleash your musical magic.

• Available Components: We recognize the hurdles of component availability. Rest assured, we’ve carefully selected components for the NostalgiTone series currently available from today’s popular vendors.

Mainboard Dimensions – 2.10” x 2.12” – Perfectly sized for a 1590B or 125B enclosures.

NostalgiTone 70s Tweed Build Document

Order a drilled enclosure from Tayda (registration required)

• 1590B size – Drilled Enclosure Link

• 125B size (slightly larger) – 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 49 rows

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RefValueNormalizedTypeNotes
Resistors 25
R11M1M
R1168k68k
R215k65.6k
R21M1M
R1210k10k
R2215k15k
R333k33k
R135k15.1k
R23100R100
R415k15k
R143k93.9k
R2410k10k
R556k56k
R151M1M
R2510k10k
R64k74.7k
R161M1M
R71M1M
R171k1k
R81M1M
R1847k47k
R91k1k
R19100R100
R101M1M
R201M1M
Capacitors 15
C5470pF470p
C15100n100n
C64n74.7n
C722uF22u
C81uF1u
C922n22n
C101n1n
C11uF1u
C11100n100n
C222uF22u
C122u22.2u
C32u22.2u
C1322uF22u
C410n10n
C14100uF100u
Diodes 1
D11N58171N5817
Transistors 5
Q12N54572N5457see the build notes
Q22N54572N5457see the build notes
Q32N54572N5457see the build notes
Q42N54572N5457see the build notes
Q52N54572N5457see the build notes
Potentiometers 3
VOLA250KA250kPotentiometer
GainA1MA1MPotentiometer
ToneC1MC1MPotentiometer