Electric Druid FilterFX Construction Guide
www.electricdruid.net
Optional Expression pedal / CV input
The optional Expression/CV input allows you to connect an
expression pedal or CV source to replace the Frequency control
of the filter. A stereo/TRS jack with normally closed contacts
should be used. The wiring required is shown on the left. Note the
T,R,S pads connect to Tip, Ring, and Sleeve connections on
the jack. +5 and CV provide the normally connections
for Ring and Tip respectively.
If you don’t want the Expression/CV input, there are two
jumpers required, shown on the right. They connect the
pads marked R/+5 and T/CV.
Adjustments and final testing
Ok, it’s the moment of truth. Power it up and plug it in. With a bit of care and attention, you should
now have a working FilterFX pedal! It doesn’t need any trimming, but the knobs cover a wide
range and you’ll need to learn how to adjust things for best effect and to your personal taste.
You’re done! Congratulations and enjoy your new pedal!
PS: We appreciate any corrections, feedback, suggestions, or thoughts you have about this pedal or any
other Druid project. Please get in touch through the website. Thanks!
Page 8
