Quite a unique pedal. Solid wood chassis with velcro-attached rubber bottom. Battery compartment hand-carved into wood, but I'll provide a 9v lead so you can run it using an AC-based adapter. While it sounds good on guitar, it is fantastic with bass.
Description from builder:
"The Wave Machine is a gated
waveform generator that produces monophonic waveforms at the same pitch
as your guitar/bass/voice input. The aim is to give the guitarist some
access to modern synthesizer tones, a bit like a VCO module for guitar.
The
original Wave Machine produced three analog waveforms to make each wave
shape without completely losing the guitars character. This is done
using some old transistor techniques and sound similar to fuzz, which
makes it less painful for chords and complex and expressive inputs like
harmonicas."