Akashic Guitar effects circuit lookup
WARMBOTTOMTREBLEDRIVECOMPLEVEL

Enclosure not stated · 6 knobs

Tagboard Effects

VFE Pedals MermanVerified

Based on the VFE Merman· 1 other board clones it

Category
Overdrive
Controls
Warm · Bottom · Treble · Drive · Comp · Level
Difficulty
Difficult
Build
Vero· 44 cuts, 24 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Klon, Merman, Overdrive, VFE

From the post

Another great overdrive from VFE Pedals based on the Klon Centaur.

You can find schematic and info on their website 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 42 rows

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Check before you build · 1 value the reader of this layout was not sure of
  • 422K next to the lower TL072: printed clearly, unusual value
RefValueNormalizedTypeNotes
Resistors 16
×31K51.5kread from the layout by eye
×24K74.7kread from the layout by eye
×2100K100kread from the layout by eye
×1390K390kread from the layout by eye
×347K47kread from the layout by eye
×127K27kread from the layout by eye
×22K22.2kread from the layout by eye
×112K12kread from the layout by eye
×122K22kread from the layout by eye
×1470R470read from the layout by eye
×21M1Mread from the layout by eye
×15K15.1kread from the layout by eye
×21K1kread from the layout by eye
×1422K422kread from the layout by eye
×115K15kread from the layout by eye
×110K10kread from the layout by eye
Capacitors 15
×1390p390pread from the layout by eye
×1820p820pread from the layout by eye
×11n1nread from the layout by eye
×12n22.2nread from the layout by eye
×13n93.9nread from the layout by eye
×127n27nread from the layout by eye
×268n68none film box, one ceramic disc; read from the layout by eye
×182n82nread from the layout by eye
×2100n100nread from the layout by eye
×1390n390nread from the layout by eye
×31u1ufilm box; read from the layout by eye
×14u74.7uelectrolytic; read from the layout by eye
×422u22uelectrolytic; read from the layout by eye
×147u47uelectrolytic; read from the layout by eye
×1100u100uelectrolytic; read from the layout by eye
Diodes 2
×31N58171N5817D1, D2, D3; read from the layout by eye
×21N34A1N34AD4, D5; read from the layout by eye
ICs 2
×2TL072TL072read from the layout by eye
×17660S7660Scharge pump; legend: original charge pump TC7662B; read from the layout by eye
Potentiometers 6
WarmB100KB100kPotentiometerread from the layout by eye
BottomA50KA50kPotentiometerread from the layout by eye
TrebleB10KB10kPotentiometerread from the layout by eye
DriveB100KB100kPotentiometerread from the layout by eye
CompC10KC10kPotentiometerread from the layout by eye
LevelA10KA10kPotentiometerread from the layout by eye
Trimmers 1
Attack5K5kread from the layout by eye

Other boards based on the VFE Merman