Akashic Guitar effects circuit lookup
SENSITIVITYSINE WAVESQUARE WAVE

1590BB · 3 knobs

Effects Layouts (blog)

Death by Audio Soundwave Breakdown 2Verified

Based on the Death By Audio Soundwave Breakdown 2· 2 other boards clone it

Category
Fuzz
Controls
Sensitivity · Sine Wave · Square Wave
Layout
Verified · Effects Layouts (blog) marks it as built and working
Tags
Death by Audio, Fuzz

From the post

Last week for Fuzz Friday I posted the early version of the Soundwave Breakdown from Death by Audio. Here's the newer version of DBA's Soundwave Breakdown with 6 transistors and another external control. On earlier examples of this revision the Sensitivity pot is an internal trimmer, but the newest version seems to have moved it externally. Speaking of trimmers, this one still has the Volume control as a trimmer (50k) and the other trimmer (5k) biases Q6. Originals are in a 1590BB, but I've laid it out to fit in a 1590B with board mounted pots. Drilling template can be found here and the schematic can be found here.

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 26 rows

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RefValueNormalizedTypeNotes
Resistors 8
×6910K910kread from the layout by eye
×3180K180kread from the layout by eye
×12.7K2.7kread from the layout by eye
×12.7M2.7Mread from the layout by eye
×110K10kread from the layout by eye
×11.5K1.5kread from the layout by eye
×14.7M4.7Mread from the layout by eye
×14.7K4.7kto the LED pad; read from the layout by eye
Capacitors 6
×3470nF470nread from the layout by eye
×3100nF100nread from the layout by eye
×110nF10nread from the layout by eye
×11nF1nread from the layout by eye
×16.8nF6.8nread from the layout by eye
×1100uF100uelectrolytic; read from the layout by eye
Diodes 1
×11N40011N4001read from the layout by eye
Transistors 6
Q12N50892N5089read from the layout by eye
Q22N50892N5089read from the layout by eye
Q32N50892N5089read from the layout by eye
Q42N50892N5089read from the layout by eye
Q52N53062N5306read from the layout by eye
Q62N53062N5306read from the layout by eye
Potentiometers 3
SensitivityB100KB100kPotentiometerwired as "Sens"; read from the layout by eye
Sine WaveB50KB50kPotentiometerwired as "Sine"; read from the layout by eye
Square WaveB250KB250kPotentiometerwired as "Square"; read from the layout by eye
Trimmers 2
×150K50kread from the layout by eye
×15K5kread from the layout by eye

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