Akashic Guitar effects circuit lookup
WAH

Enclosure not stated · 1 knob

Dirtbox Layouts

Shin-ei Companion WT-1 Wah WahVerified

Based on the Shin-ei Companion WT-1 Wah Wah

Controls
Wah
Build
Vero· 15×15· 9 cuts, 3 links
Layout
Verified · Dirtbox Layouts marks it as built and working
Tags
Shin Ei, Wah

From the post

Here is one for the Psychocandy fans. Just put this after your superfuzz clone (or to be more accurate, your "6TR" superfuzz clone) and go to town. The stock transformer part number is unknown but a 42TM013 will do with its 500mH inductance. Both 50k and 100k wah pots were used and input cap were iether 50nF or 10uF.

Schematic avaiable at Tonehome.

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 17 rows

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Check before you build · 1 value the reader of this layout was not sure of
  • 30K at column 5, rows J-L: printed clearly, unusual value
RefValueNormalizedTypeNotes
Resistors 8
×21.2K1.2kread from the layout by eye
×2470K470kread from the layout by eye
×1470Ω470read from the layout by eye
×1100K100kread from the layout by eye
×122K22kread from the layout by eye
×130K30kread from the layout by eye
×11M1Mread from the layout by eye
×110K10kread from the layout by eye
Capacitors 5
×133nF33nread from the layout by eye
×2220nF220nread from the layout by eye
C147nF47nlegend: 47nF film cap or 10uF electrolytic cap; read from the layout by eye
×110uF10uelectrolytic; read from the layout by eye
×1100uF100uelectrolytic; read from the layout by eye
Diodes 1
D11N58171N5817read from the layout by eye
Transistors 1
×2PN2222PN2222Q1-Q2: PN2222, 2N3904 etc. (2SC828 in original); read from the layout by eye
Transformers 1
TR42TM01342TM013read from the layout by eye
Potentiometers 1
WahB50KB50kPotentiometer50kB or 100kB; read from the layout by eye