Electro-Harmonix Attack Decay Tape Reverse Simulator

This is the Attack Decay unit I have on eBay at the moment(6/12/2010). I purchased it new in the early 1980s. I play a simple figure with the amp on a clean setting, then hit the stomp button to engage the effect. I adjust the harmonics, then add more distortion via the “Edge“ switch. I adjust the attack and decay to create a note with long sustain, then a very short, almost percussive effect created by very short attack and decay settings. On the amp, I add some delay(about 1.5 seconds), and later cha