New and Improved. w/pcb and demo wave. http://www.mindspring.com/~vco/effects/page_001.html or http://www.mindspring.com/~vco/effects/pics/tremolo2_sd.gif http://www.mindspring.com/~vco/effects/pics/tremolo2_pc.gif http://www.mindspring.com/~vco/effects/pics/tremolo2.wav Enjoy! I can't help it. I like this thing. -tg