Lithium Grim OmniWah, Инструкция по сборке

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OmniWah v2.0
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5
Components
Since the OmniWah can be used to build so many different types of wahs, we split off the
components section into a separate document with all possible configurations.
My advice: Capacitors with values < 1nF should be MLCC , values of 1nF – 1µF should be
SMF/MKT/MKS and all values > 1µF are Electrolytic .
Then there is always the magic question: “ Will it really sound like a <your favorite wah brand and
series here>? ”. Well, that depends on the quality of the parts you are using. I will not go into a rant
about parts (vintage or not) but I will give you my personal view based on building all the
configurations and comparing some of them to the original. I also incorporated some feedback I got
from customers (special thanks to Ulrich Zmaila). I am always trying to improve my PCBs and
instructions, so please feel free to send me feedback!
Inductor
I think this is the most important part to invest in. You can go 2 ways on this. First, you could buy the
major brand ones from eg. Dunlop™ or Vox™, but changes are you will not get to the tonal
characteristics of your configuration (unless it is a modern Dunlop™ or Vox™ you want

). Next, you
can buy a real vintage one. You will have a very hard time finding a genuine vintage inductor so the
best way to go here is to buy them from people who custom wind them or the non-major brands.
This will probably cost you more, but these people often made it their lifework to master this art.
Reported and tested good prefab inductors are Eleca Halo and ME-6.
Wah Pot
Also very important. A well enclosed pot will last longer and the type of taper will influence the
sweep characteristics. But do not be fooled by sellers who charge you an arm and a leg for a single
pot. Experiment and find out yourself! Some tips based on feedback I got:

ProPot Deluxe 100k
Nice even taper, zero Ohm curve on both sides of the resistive strip. It can therefore be
perfectly adjusted

Chase ToneTru Talk 100K
Also nice taper, more pronounced due to has steeper curve (ICAR recreation), closed
housing, long lasting

Dunlop Hot Potz II
Even
wah
taper, long-lasting, plastic resistive strip