Transformer
right side view
L to R: volume control and audio output left side view 
Voice Transformers are great little noisemakers and a little circuit bending makes them even better. The volume knob allows for crunchy overdriven sounds. The short-circuit noise switch disables the mic in favor of nasty pops and clicks.
Audio Examples (mp3)
- Voice Xformer Example 01
- Voice Xformer Example 02
- Voice Xformer Example 03
- Voice Xformer Example 04
- Voice Xformer Example 05
- Voice Xformer Example 06 (fun with the sustain switch)
- Voice Xformer Example 07 (more fun with the sustain switch)
top view
L to R: a mic/short-circuit noise switch, 2 pitch shift buttons and a sustain button