a combination of a mic w/ a dedicated transistor-based preamp (http://www.uoguelph.ca/~antoon/circ/amp1.htm) and a switchable octave-up/obscene nastiness filter (http://www.diystompboxes.com/pedals/SOU2.GIF). the best part? it goes inside this:



that's right. i installed it in the canister of my gas mask (east german if you're curious). it makes me sound like a robotic puppy-eating demon. in a good way, of course.

one more picture (the empty canister next to its guts):



note to anyone who tries to open up one of these filter canisters:

look out for the charcoal pack. it's MESSY.

sound clips will be up on my website soon and appropriately linked here.