Akashic Guitar effects circuit lookup
GAINLOW FREQHIGH FREQMID FREQLOW VOLUMEMID VOLUMEHIGH VOLUMELEVEL

Enclosure not stated · 8 knobs

Dirtbox Layouts

Dead Air SawzallVerified

Based on the Dead Air Sawzall

Category
Distortion
Controls
Gain · Low Freq · High Freq · Mid Freq · Low Volume · Mid Volume · High Volume · Level
Build
Vero· 24×20· 43 cuts, 21 links
Layout
Verified · Dirtbox Layouts marks it as built and working
Tags
Capitalist Death Cult, Chris Stelloh, Dead Air, Distortion, HM-2, Overdrive

From the post

Another contribution from Chris at CDC Fx! This layout is already VERIFIED and good to go. Schematic is avaiable HERE and as you can see the drive section is a modified MXR Distortion+ derivate. You can yeasily tweak it to DOD 250 or countless other variations of the circuit.

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 41 rows

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Check before you build · 2 values the reader of this layout was not sure of
  • 50k resistors (column 21 rows E-G, column 3 rows N-Q): printed clearly, unusual value
  • 43k resistor on row T: printed clearly, unusual value
RefValueNormalizedTypeNotes
Resistors 11
×3330Ω330read from the layout by eye
×23k33.3kread from the layout by eye
×14k74.7kread from the layout by eye
×210k10kread from the layout by eye
×133k33kread from the layout by eye
×143k43kread from the layout by eye
×247k47kread from the layout by eye
×250k50kread from the layout by eye
×168k68kread from the layout by eye
×31M1Mprinted 1m; read from the layout by eye
×1??LED resistor, value not given; read from the layout by eye
Capacitors 14
×1470pF470pread from the layout by eye
×11nF1nread from the layout by eye
×14n74.7nread from the layout by eye
×16n86.8nread from the layout by eye
×147nF47nread from the layout by eye
×268nF68nread from the layout by eye
×1100nF100nread from the layout by eye
×1150nF150nread from the layout by eye
×1470nF470nread from the layout by eye
×21uF1ufilm box; read from the layout by eye
×11uF1uelectrolytic; read from the layout by eye
×110uF10uelectrolytic; read from the layout by eye
×147uF47uelectrolytic; read from the layout by eye
×1100uF100uelectrolytic; read from the layout by eye
Diodes 3
D11N58171N5817read from the layout by eye
D21N2701N270legend: 1n270/germanium; read from the layout by eye
D31N2701N270legend: 1n270/germanium; read from the layout by eye
ICs 4
IC1TL071TL071read from the layout by eye
IC2TL072TL072read from the layout by eye
IC3TL072TL072read from the layout by eye
IC4TL072TL072read from the layout by eye
Potentiometers 8
GainC500KC500kPotentiometerread from the layout by eye
Low FreqB100KB100kPotentiometerread from the layout by eye
High FreqB100KB100kPotentiometerread from the layout by eye
Mid FreqC250KC250kPotentiometerread from the layout by eye
Low VolumeB10KB10kPotentiometerread from the layout by eye
Mid VolumeB10KB10kPotentiometerread from the layout by eye
High VolumeB10KB10kPotentiometerread from the layout by eye
LevelB10KB10kPotentiometerread from the layout by eye
Switches 1
Drive SWDPDT on/onDPDT ON/ONlegend: DPDT on/on OR 3PDT stomp; read from the layout by eye