Akashic Guitar effects circuit lookup
TREBLEBASSCONTOURGAINVOLUME

Enclosure not stated · 5 knobs

Dirtbox Layouts

Marshall ShredmasterVerified

Based on the Marshall Shredmaster· 17 other boards clone it

Category
Distortion
Controls
Treble · Bass · Contour · Gain · Volume
Build
Vero· 19×19· 27 cuts, 12 links
Layout
Verified · Dirtbox Layouts marks it as built and working
Tags
Distortion, Marshall

From the post

*Update 230916*' New layout verified by AlexS.

Schematic

This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Dirtbox Layouts. No KiCad fragment has been drawn for this circuit yet.

Parts list 36 rows

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RefValueNormalizedTypeNotes
Resistors 13
×347K47kread from the layout by eye
×2100K100kread from the layout by eye
×21M1Mread from the layout by eye
×233K33kread from the layout by eye
×1100Ω100read from the layout by eye
×1220K220kread from the layout by eye
×13.3K3.3kread from the layout by eye
×12.2M2.2Mread from the layout by eye
×112K12kread from the layout by eye
×11K1kread from the layout by eye
×16.8K6.8kread from the layout by eye
×1680K680kread from the layout by eye
×110K10kread from the layout by eye
Capacitors 13
×4220nF220nread from the layout by eye
×2100nF100nread from the layout by eye
×247nF47nread from the layout by eye
×222nF22nread from the layout by eye
×2100pF100pread from the layout by eye
×139nF39nread from the layout by eye
×110nF10nread from the layout by eye
×12.2nF2.2nread from the layout by eye
×11nF1nread from the layout by eye
×147pF47pread from the layout by eye
C171nF1nlegend: stock value is 1nF, try 100pF-820pF for brighter tone; read from the layout by eye
×110uF10uelectrolytic; read from the layout by eye
×147uF47uelectrolytic; read from the layout by eye
Diodes 3
D11N9141N914read from the layout by eye
D21N9141N914read from the layout by eye
D31N58171N5817read from the layout by eye
ICs 2
IC1TL072TL072read from the layout by eye
IC2TL072TL072read from the layout by eye
Potentiometers 5
TrebleB25KB25kPotentiometerread from the layout by eye
BassB100KB100kPotentiometerread from the layout by eye
ContourB100KB100kPotentiometerread from the layout by eye
GainA100KA100kPotentiometerread from the layout by eye
VolumeA100KA100kPotentiometerread from the layout by eye

Other boards based on the Marshall Shredmaster