This has to the craziest of all my mic designs, its inspired by those wild horn speakers that audiophile are in love with now,though few can afford their automobile prices.The element is 4" speaker I took out of an old boombox, the red cylinder in the back holds a 6.3v transformer wired in reverse to act as a step up transformer.
Imgur: The magic of the Internet
Imgur: The magic of the Internet
