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At 10:22 AM -0700 9/16/02, Kim Flint wrote: >no, that is not correct. Ha! caught Richard not checking his facts. :-) Yep. >no, that is not how the EDP feedback jack works. It just uses the >resistance between the sleeve and the tip on the output of a volume >pedal. It only requires an ordinary mono cable. I've just been through an enormous hassle on this topic. It started when an Eventide DSP4000 owner I know bought a volume pedal and a Digitech FS300 in order to control her Harmonizer. She bought them mail order after consulting with that vendors "sales tech." Neither controller worked. Since I'm an Eventide user I loaned her a couple of my controllers (an Ensoniq CV pedal and a Lexicon dual foot switch) and I started researching what was available. I found that there is almost no product information that specifies whether a pedal or a device to be controlled uses a TRS or a TS connection. What I ended up doing, at least for on-line research) was to find hi-rez pictures of the pedals in order to look at the 1/4" plug. In many cases I could then determine whether the pedal was wired with two or three conductors. I've now learned that it's always wrong to assume anything. I don't have an EDP so I couldn't check it out directly. I assumed it was designed similarly to the equipment I do have. Wrong! I think it would be generally useful to compile a list of which common pedals and which common devices are TS and which are TRS. Here's my (hastily compiled) list. For those pieces of gear I have on hand I checked the voltage between ring and sleeve by plugging a TRS cable into the pedal jack on a number of devices. Otherwise I went by (minimally available) company-provided specs, hearsay, and pictures of the 1/4" jacks. TRS: Eventide, Roland, Kurzweil, Yamaha, Big Briar, E-mu, Lexicon TS: Gibson EDP, Line6, Rolls, Lake Butler, Digitech, Digital Music, E-mu -- ______________________________________________________________ Richard Zvonar, PhD (818) 788-2202 http://www.zvonar.com http://RZCybernetics.com