Akashic Guitar effects circuit lookup
SUSTAINVOLUMETONE

Enclosure not stated · 3 knobs

Tagboard Effects

Rozz Dead HeatVerified

Based on the Rozz Dead Heat· 1 other board clones it

Category
Fuzz
Controls
Sustain · Volume · Tone
Difficulty
Medium
Build
Vero· 21×17· 26 cuts, 8 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Fuzz, Muff, Rozz

From the post

Here is an 18V Big Muff version from the 70s.

Original FSB thread and schematic available 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 Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.

Parts list 34 rows

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Check before you build · 1 value the reader of this layout was not sure of
  • 100R at column 6 beside the left-middle transistor: reads 100R at high zoom, easily mistaken for 100K at normal size
RefValueNormalizedTypeNotes
Resistors 12
×210K10kread from the layout by eye
×2150R150read from the layout by eye
×412K12kread from the layout by eye
×4100K100kread from the layout by eye
×3470K470kread from the layout by eye
×333K33kread from the layout by eye
×1620R620read from the layout by eye
×1100R100read from the layout by eye
×1390K390kread from the layout by eye
×13K33.3kread from the layout by eye
×11M1Mread from the layout by eye
×1??LED resistor, value not given; read from the layout by eye
Capacitors 8
×2500p500pceramic; read from the layout by eye
×1200p200pceramic; read from the layout by eye
×2220n220nread from the layout by eye
×3100n100nread from the layout by eye
×13n93.9nread from the layout by eye
×18n28.2nread from the layout by eye
×510u10uelectrolytic; read from the layout by eye
×1100u100uelectrolytic; read from the layout by eye
Diodes 6
D11N58171N5817read from the layout by eye
D21N58171N5817read from the layout by eye
D31N9141N914read from the layout by eye
D41N9141N914read from the layout by eye
D51N9141N914read from the layout by eye
D61N9141N914read from the layout by eye
Transistors 4
Q12N50892N5089Test high Hfe NPN Si (2n5089, ...); read from the layout by eye
Q22N50892N5089Test high Hfe NPN Si (2n5089, ...); read from the layout by eye
Q32N50892N5089Test high Hfe NPN Si (2n5089, ...); read from the layout by eye
Q42N50892N5089Test high Hfe NPN Si (2n5089, ...); read from the layout by eye
ICs 1
×17660S7660Sread from the layout by eye
Potentiometers 3
SustainB100KB100kPotentiometerread from the layout by eye
VolumeA50KA50kPotentiometerread from the layout by eye
ToneB100KB100kPotentiometerread from the layout by eye

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