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GAINTONEVOLUME

Enclosure not stated · 3 knobs

Tagboard Effects

Klon Centaur - Bare Bones - True BypassVerified

Based on the Klon Centaur· 49 other boards clone it

Category
Overdrive
Controls
Gain · Tone · Volume
Build
Vero· 20×20· 23 cuts, 11 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Klon, Overdrive

From the post

[Updated 4th July 2014 - correction to treble control resistors]

And an even simpler version using true bypass switching, and so omitting the buffer components. Verified.

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 38 rows

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Check before you build · 2 values the reader of this layout was not sure of
  • D1, D2: legend gives no single part ('magic'); entered as the first suggestion, OA91
  • 422K top right: printed clearly, unusual value
RefValueNormalizedTypeNotes
Resistors 18
×1560R560read from the layout by eye
×15K15.1kread from the layout by eye
×21K51.5kread from the layout by eye
×21K1kread from the layout by eye
×21M1Mread from the layout by eye
×2100K100kread from the layout by eye
×210K10kread from the layout by eye
×327K27kread from the layout by eye
×13K93.9kread from the layout by eye
×147K47kread from the layout by eye
×215K15kread from the layout by eye
×112K12kread from the layout by eye
×168K68kread from the layout by eye
×14K74.7kread from the layout by eye
×1422K422kread from the layout by eye
×12K2kread from the layout by eye
×122K22kread from the layout by eye
×11K81.8kread from the layout by eye
Capacitors 12
×1390p390pread from the layout by eye
×12n22.2nread from the layout by eye
×13n93.9nread from the layout by eye
×14n74.7nread from the layout by eye
×127n27nread from the layout by eye
×268n68nread from the layout by eye
×182n82nread from the layout by eye
×2100n100nread from the layout by eye
×1390n390nread from the layout by eye
×31u1uelectrolytic; read from the layout by eye
×14u74.7uelectrolytic; read from the layout by eye
×247u47uelectrolytic; read from the layout by eye
Diodes 3
D1OA91OA91germanium; legend: 'magic (OA91 and 1N277 were very close in measured forward voltage)'; read from the layout by eye
D2OA91OA91germanium; legend: 'magic (OA91 and 1N277 were very close in measured forward voltage)'; read from the layout by eye
D31N47421N4742 / 12Vzener; read from the layout by eye
ICs 2
IC1TL072TL072read from the layout by eye
IC2TLC2262TLC2262read from the layout by eye
Potentiometers 3
GainB100KB100kPotentiometerdual; read from the layout by eye
ToneB10KB10kPotentiometerread from the layout by eye
VolumeB10KB10kPotentiometerread from the layout by eye

Other boards based on the Klon Centaur