Interesting piece currently on the *bay. Title link takes you to shots saved for posterity.
From the auction: "This auction is for one vintage Steiner (Crumar) Master's Touch breath controller in great functional and okay cosmetic condition. Basically it's a voltage controlled resonant filter (VCF) and voltage controlled amplifier (VCA) with rubber tubes and mouthpieces that you use to control the cutoff ("S.E.D." in Steiner terminology) and gate the volume. Runs on 110V US voltage and has built in power supply/cord.
There's an input for an audio signal to be processed by the VCF and VCA, and outputs for the processed, dry and mixed signals. CV outputs are also generated by the mouthpieces ("breath" and "bite") and these can be used to control external synthesizers or effects via cv or pedal inputs. There is also a little rubber pad by which you can generate CV via a fingertip along with both positive (v-trig for old Rolands and Arps) and short-to-ground (s-trig for old Moogs, Korgs and Yamahas) gate outputs available simultaneously. Little red LEDS show the status of the trigger and breath outputs. Very versatile and incorporates very well with any modular system. Extremely easy to use. "
This is the same thing that was used by the Moog Cookbook onstage (see the interview with Brian Kehew on synthmuseum.com)
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