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1590B · 5 knobs

Effects Layouts (blog)

Marshall Guv'norVerified

Based on the Marshall Guv'nor· 20 other boards clone it

Category
Overdrive
Controls
Gain · Treble · Mid · Bass · Level
Layout
Verified · Effects Layouts (blog) marks it as built and working
Tags
Marshall, Overdrive

From the post

The Marshall Guv'nor is one of the more highly regarded overdrive/distortion pedals of the late 80s, early 90s. With it's amp-like dynamics and a wide range of versatile tones, the Mk. I version of this pedal is still highly sought after. Many artists have used it, though Gary Moore is most associated with it, thanks to his "Still Got the Blues" album.

You can use right angle PCB pots, mounted from the solder-side of the board if you like. It should fit nicely in a 1590B.

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 Effects Layouts (blog). No KiCad fragment has been drawn for this circuit yet.

Parts list 30 rows

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RefValueNormalizedTypeNotes
Resistors 11
×12.2K2.2kread from the layout by eye
×247K47kread from the layout by eye
×122K22kread from the layout by eye
×11M1Mread from the layout by eye
×110K10kread from the layout by eye
×12.2M2.2Mread from the layout by eye
×1680K680kread from the layout by eye
×11K1kread from the layout by eye
×1100Ω100read from the layout by eye
×11.5K1.5kread from the layout by eye
×2680Ω680read from the layout by eye
Capacitors 10
×3220nF220nread from the layout by eye
×4100nF100nread from the layout by eye
×1100pF100pread from the layout by eye
×1470pF470pread from the layout by eye
×1220pF220pread from the layout by eye
×14.7nF4.7nread from the layout by eye
×16.8nF6.8nread from the layout by eye
×110nF10nread from the layout by eye
×110uF10uelectrolytic; read from the layout by eye
×1100uF100uelectrolytic; read from the layout by eye
Diodes 1
×11N40011N4001read from the layout by eye
ICs 1
×1TL072TL072read from the layout by eye
Potentiometers 5
GainB100KB100kPotentiometerread from the layout by eye
TrebleB10KB10kPotentiometerread from the layout by eye
MidA10KA10kPotentiometerread from the layout by eye
BassA10KA10kPotentiometerread from the layout by eye
LevelB100KB100kPotentiometerlabelled Volume on the board wires; read from the layout by eye
LEDs 2
D1Red LEDRED LEDclipping; read from the layout by eye
D2Red LEDRED LEDclipping; read from the layout by eye

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