contact “Made by true Americans under real sweat shop conditions.”
In order to protect its highly proprietary manufacturing techniques, the innerTUBE Audio Manufacturing Facility is closed to the public and is located in a secret underground bunker.
snail mail:
innerTUBE audio
p.o. box 610
los olivos, ca 93441
voice: (541) 653-8331
Email: stayne@innertubeaudio.com