Akashic Guitar effects circuit lookup
GAINTREBLEBASSCONTOURVOLUME

Enclosure not stated · 5 knobs

Tagboard Effects

Marshall ShredmasterVerified

Based on the Marshall Shredmaster· 17 other boards clone it

Category
Distortion
Controls
Gain · Treble · Bass · Contour · Volume
Build
Vero· 18×20· 23 cuts, 9 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Distortion, Marshall, Overdrive

From the post

As requested. Someone should get a video of Madferret doing his dance...

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 Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.

Parts list 35 rows

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Check before you build · 3 values the reader of this layout was not sure of
  • 40K (left edge, below Contour 2 wire): printed clearly, unusual value
  • 41K ×2 (left of 2.2M, and left of D1): printed clearly, unusual value
  • 4.1K (right of the 47pF): printed clearly, unusual value
RefValueNormalizedTypeNotes
Resistors 15
×13.3K3.3kread from the layout by eye
×21M1Mread from the layout by eye
×140K40kread from the layout by eye
×241K41kread from the layout by eye
×12.2M2.2Mread from the layout by eye
×18.2K8.2kread from the layout by eye
×14.1K4.1kread from the layout by eye
×1680K680kread from the layout by eye
×11K1kread from the layout by eye
×110K10kread from the layout by eye
×16.8K6.8kread from the layout by eye
×1220K220kread from the layout by eye
×1100Ω100read from the layout by eye
×233K33kread from the layout by eye
×2100K100kread from the layout by eye
Capacitors 11
×147pF47pread from the layout by eye
×1100pF100pread from the layout by eye
×21nF1nread from the layout by eye
×12.2nF2.2nread from the layout by eye
×110nF10nread from the layout by eye
×222nF22nread from the layout by eye
×247nF47nread from the layout by eye
×168nF68nread from the layout by eye
×3100nF100nread from the layout by eye
×4220nF220nread from the layout by eye
×1100uF100uelectrolytic; read from the layout by eye
Diodes 2
D11N41481N4148read from the layout by eye
D21N41481N4148read from the layout by eye
ICs 2
IC1TL072TL072read from the layout by eye
IC2TL072TL072read from the layout by eye
Potentiometers 5
GainA100KA100kPotentiometerread from the layout by eye
TrebleB22KB22kPotentiometerread from the layout by eye
BassA100KA100kPotentiometerread from the layout by eye
ContourB100KB100kPotentiometerread from the layout by eye
VolumeA100KA100kPotentiometerread from the layout by eye

Other boards based on the Marshall Shredmaster