Akashic Guitar effects circuit lookup
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Enclosure not stated · 3 knobs

Tagboard Effects

Brown Sound in a Box IIVerified

Based on the Brown Sound in a Box II· 4 other boards clone it

Category
Distortion
Controls
Gain · Tone · Level
Build
Vero· 16×17· 11 cuts, 5 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Distortion

From the post

Description from the General Guitar Gadgets site:

Brown Sound In A Box version 2 (BSIAB2) is an excellent distortion pedal designed by Ed Guidry. Based on the AMZ MiniBooster cascading work done by Jack Orman and further refined by Aron Nelson and Doug Hammond.

This is one of the best heavy Marshall-type distortion boxes that we've heard and it also performs very well on low drive settings.

Modded version with Contour pot

Geiri's demo of his build:

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 28 rows

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Check before you build · 1 value the reader of this layout was not sure of
  • 250p small yellow cap left of centre above Q1: printed clearly, unusual value
RefValueNormalizedTypeNotes
Resistors 9
×210K10kread from the layout by eye
×147K47kread from the layout by eye
×282K82kread from the layout by eye
×15K65.6kread from the layout by eye
×51M1Mread from the layout by eye
×1390R390read from the layout by eye
×1680R680read from the layout by eye
×1470K470kread from the layout by eye
×1120R120read from the layout by eye
Capacitors 10
×22n22.2nread from the layout by eye
×322n22nread from the layout by eye
×168n68nread from the layout by eye
×2100n100nread from the layout by eye
×1220n220nread from the layout by eye
×21u1uread from the layout by eye
×1150p150pread from the layout by eye
×1250p250pread from the layout by eye
×1470p470pread from the layout by eye
×1100u100uelectrolytic; read from the layout by eye
Transistors 5
Q12N54572N5457JFET; read from the layout by eye
Q22N54572N5457JFET; read from the layout by eye
Q3J201J201JFET; read from the layout by eye
Q4J201J201JFET; read from the layout by eye
Q52N54572N5457JFET; read from the layout by eye
Potentiometers 3
GainA500KA500kPotentiometerread from the layout by eye
ToneB100KB100kPotentiometerread from the layout by eye
LevelA100KA100kPotentiometerread from the layout by eye
Trimmers 1
×1100K100kread from the layout by eye

Other boards based on the Brown Sound in a Box II