Akashic Guitar effects circuit lookup
GAINTREBLEBASSMIDVOLUME

Enclosure not stated · 5 knobs

Tagboard Effects

ZVex Box of MetalVerified

Based on the Z.Vex Box of Metal· 3 other boards clone it

Category
Distortion
Controls
Gain · Treble · Bass · Mid · Volume
Build
Vero· 19×17· 25 cuts, 9 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Distortion, ZVex

From the post

Another one to keep you busy for a while. This version is the effect only and no gate so you'll have to use an ISP Decimator or something with it if it's noisy :o)

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 28 rows

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Check before you build · 2 values the reader of this layout was not sure of
  • 1M2 between Q1 and Q2 (next to the 10n): reads 1M2, not 2M2 like its neighbours; printed clearly, unusual value
  • 2n below Q5: printed clearly, unusual value
RefValueNormalizedTypeNotes
Resistors 9
×112M22.2Mread from the layout by eye
×55K15.1kread from the layout by eye
×11M1Mread from the layout by eye
×11M21.2Mread from the layout by eye
×1470K470kread from the layout by eye
×1220K220kread from the layout by eye
×1100K100kread from the layout by eye
×147K47kread from the layout by eye
×1100R100read from the layout by eye
Capacitors 7
×622n22nread from the layout by eye
×1100n100nread from the layout by eye
×110n10nread from the layout by eye
×12n2nlegend: try 180pF instead for better EQ control; read from the layout by eye
×11n1nread from the layout by eye
×110u10uelectrolytic; read from the layout by eye
×1100u100uelectrolytic; read from the layout by eye
Diodes 1
D19V1 Zener9V1read from the layout by eye
Transistors 5
Q1BS170BS170MOSFET; read from the layout by eye
Q2BS170BS170MOSFET; read from the layout by eye
Q3BS170BS170MOSFET; read from the layout by eye
Q4BS170BS170MOSFET; read from the layout by eye
Q5BS170BS170MOSFET; read from the layout by eye
Potentiometers 5
GainC5KC5kPotentiometerread from the layout by eye
TrebleA250KA250kPotentiometerread from the layout by eye
BassA1MA1MPotentiometerread from the layout by eye
MidA20KA20kPotentiometerread from the layout by eye
VolumeA100KA100kPotentiometerread from the layout by eye
Trimmers 1
×15K5kat Q5; read from the layout by eye

Other boards based on the Z.Vex Box of Metal