Akashic Guitar effects circuit lookup
DISTORTIONTONEVOLUME

Enclosure not stated · 3 knobs

Dirtbox Layouts

Danelectro FAB Distortion

Based on the Danelectro FAB Distortion

Category
Distortion
Controls
Distortion · Tone · Volume
Build
Vero· 20×19· 21 cuts, 9 links
Layout
Unverified · no build reported at Dirtbox Layouts yet
Tags
Danelectro, Distortion

From the post

Based on Maxon Distortion Master but with a hardwired bass control and different component values along the signal path. The buffered bypass swithing wasn't included in the schematic so I left it out.

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 33 rows

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Check before you build · 3 values the reader of this layout was not sure of
  • Tone pot: legend prints '100kW' clearly, a W taper, entered as W100K
  • 3K at O-Q column 17 and 2K at N-P column 3: printed clearly, unusual values
  • 7.5K at L-M column 16: printed clearly, unusual value
RefValueNormalizedTypeNotes
Resistors 15
×410K10kread from the layout by eye
×21K1kread from the layout by eye
×24.7K4.7kread from the layout by eye
×222K22kread from the layout by eye
×2100K100kread from the layout by eye
×1220Ω220read from the layout by eye
×1330Ω330read from the layout by eye
×1390Ω390read from the layout by eye
×1560Ω560read from the layout by eye
×12K2kread from the layout by eye
×13K3kread from the layout by eye
×17.5K7.5kread from the layout by eye
×11M1Mread from the layout by eye
×12.2M2.2Mread from the layout by eye
×1??LED resistor, value not given; read from the layout by eye
Capacitors 11
×110pF10pread from the layout by eye
×13.3nF3.3nread from the layout by eye
×14.7nF4.7nread from the layout by eye
×147nF47nread from the layout by eye
×3100nF100nread from the layout by eye
×1220nF220nread from the layout by eye
×21uF1uelectrolytic; read from the layout by eye
×13.3uF3.3uelectrolytic; read from the layout by eye
×210uF10uelectrolytic; read from the layout by eye
×1100uF100uelectrolytic; read from the layout by eye
×1220uF220uelectrolytic; read from the layout by eye
Diodes 2
×41N41481N4148D1-D4 (BAS16 SMD diodes in original); read from the layout by eye
D51N58171N5817read from the layout by eye
Transistors 1
×32N39042N3904Q1-Q3; legend: 2N3904, 2N5088 etc. (2SC1632 in original); read from the layout by eye
ICs 1
IC1LM833LM833read from the layout by eye
Potentiometers 3
DistortionA250KA250kPotentiometerread from the layout by eye
ToneW100KW100kPotentiometerprinted 100kW; read from the layout by eye
VolumeB100KB100kPotentiometerread from the layout by eye