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At 8:09 AM -0800 11/6/02, Tim Nelson wrote: >When the Akai Headrush first came out, we had a thread about noisy >switches interfering with acoustic (miked) looping. Then when the >DL-4 came out, I noticed that it had quieter switches. >Without opening them up, I'd venture to guess that if they are the >same switches, the DL-4 switches might be mounted differently, maybe >with rubber grommets or something similar that damps them. Or maybe >it's just the greater mass of the housing on the Line 6. It can be illuminating to open up your equipment and see what's really going on behind the visible (and tangible) controls. What most of us perceive as "the switch" is in many cases a mechanical interface to an internal small switch attached to the circuit board. This is the case with the DL-4 and the PMC-10, for instance. The metal object that you click with your foot is actually a sort of metal "finger" that presses a tiny (and fragile) switch inside. So the solution to noisy switches can be to replace the purely mechanical part with a quieter equivalent. As long as positive contact is made with the "real" switch, without inflicting damage on it, the modified control should work. I can't offer any specific solutions, though I'd be interested in such. -- ______________________________________________________________ Richard Zvonar, PhD (818) 788-2202 http://www.zvonar.com http://RZCybernetics.com