Akashic Guitar effects circuit lookup
FILTER VOLUMEFUZZ VOLUMERESONANCEFREQUENCY

Enclosure not stated · 4 knobs

Tagboard Effects

Death By Audio Evil FilterVerified

Based on the Death By Audio Evil Filter· 2 other boards clone it

Category
EQ / Filter
Controls
Filter Volume · Fuzz Volume · Resonance · Frequency
Difficulty
Difficult
Build
Vero· 23×19· 43 cuts, 10 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Death By Audio, Filter

From the post

Here is the layout of an unreleased DBA pedal.

You can find the original FSB tread HERE

Thanks to Anders for verifying it!

Here's the video of a clone:

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 · 2 values the reader of this layout was not sure of
  • Q1-Q3: legend prints 'MPSA05G / MPSA05RA', entered as MPSA05G
  • IC printed only as '1044' (charge pump, top left): kept as printed
RefValueNormalizedTypeNotes
Resistors 8
×710K10kread from the layout by eye
×468K68kread from the layout by eye
×3180K180kread from the layout by eye
×3910K910kread from the layout by eye
×21K1kread from the layout by eye
×122K22kread from the layout by eye
×147K47kread from the layout by eye
×1100K100kread from the layout by eye
Capacitors 5
×3100n100nread from the layout by eye
×11u1ufilm (box); read from the layout by eye
×34u74.7uelectrolytic; read from the layout by eye
×210u10uelectrolytic; read from the layout by eye
×1100u100uelectrolytic; read from the layout by eye
Diodes 2
D11N40011N4001read from the layout by eye
D21N40011N4001read from the layout by eye
Transistors 3
Q1MPSA05GMPSA05Glegend: MPSA05G / MPSA05RA; read from the layout by eye
Q2MPSA05GMPSA05Glegend: MPSA05G / MPSA05RA; read from the layout by eye
Q3MPSA05GMPSA05Glegend: MPSA05G / MPSA05RA; read from the layout by eye
ICs 2
×110441044charge pump, printed '1044'; read from the layout by eye
×1UAF42APUAF42APread from the layout by eye
Opto 1
×2H11F1H11F1check orientation (legend); read from the layout by eye
Potentiometers 4
Filter VolumeA100KA100kPotentiometerread from the layout by eye
Fuzz VolumeA100KA100kPotentiometerread from the layout by eye
ResonanceC100KC100kPotentiometerread from the layout by eye
FrequencyC500KC500kPotentiometerread from the layout by eye
Switches 3
Hi/Low ResonanceDPDTDPDTtoggle; read from the layout by eye
Filter Selector4P3T rotary4P3T ROTARYread from the layout by eye
Fuzz TypeDPDTDPDTtoggle; read from the layout by eye

Other boards based on the Death By Audio Evil Filter