Akashic Guitar effects circuit lookup
LOWDIRT

Enclosure not stated · 2 knobs

Dirtbox Layouts

Sunmachine Sonic Devices Fuzz O)))Verified

Based on the Sunmachine Sonic Devices Fuzz O)))

Category
Fuzz
Controls
Low · Dirt
Build
Vero· 13×12· 6 cuts, 5 links
Layout
Verified · Dirtbox Layouts marks it as built and working
Tags
Fuzz, Sunmachine Sonic Devices

From the post

There was quite some hype and interest in this one a few years ago but it was never fully traced. Obviously it was based on a DAM Meathead but and the product description mentions a low pass filter for the "Low" control. guitarfxservice traced it a few days ago (thank you!) and it turns out that it is a stock Meathead with an input cap selector switch and the "Low" control is basically Pre Gain control. Nothing new under the sun(n) I upload this to demistify it.

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 19 rows

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RefValueNormalizedTypeNotes
Resistors 6
×1820Ω820read from the layout by eye
×11K1kread from the layout by eye
×14.7K4.7kread from the layout by eye
×118K18kread from the layout by eye
×1120K120kread from the layout by eye
×11M1Mread from the layout by eye
Capacitors 7
×147pF47pread from the layout by eye
×1470pF470pread from the layout by eye
×115nF15nread from the layout by eye
×133nF33nread from the layout by eye
×2100nF100nread from the layout by eye
×122uF22uelectrolytic; read from the layout by eye
×147uF47uelectrolytic; read from the layout by eye
Diodes 1
D11N58171N5817read from the layout by eye
Transistors 2
Q12N39042N3904read from the layout by eye
Q2BC182LBC182Lread from the layout by eye
Potentiometers 2
LowB100KB100kPotentiometerread from the layout by eye
DirtB500KB500kPotentiometerread from the layout by eye
Switches 1
SwitchSPDT on/off/onSPDT ON/OFF/ONtoggle; read from the layout by eye