◊ Historic Buchla Modules

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Model 155 Dual Integrator

(Photo courtesy of of The Buchla Archives)

Produces continuous control voltage functions when used in conjunction with sources of discrete control voltages (e.g. keyboards, sequencers). Positive and negatives slopes may be individually varied from 15 volts in .0025 seconds to 15 volts in 10 seconds; either or both slopes may be voltage controlled. Particularly useful for generating complex voltage controlled envelopes, frequency glides, and repetitive control functions.

(from a catelog for the 1992 Ars Electronica exhibit Eigenwelt der Apparatewelt. Pioneers of Electronic Art, edited by David Dunn)

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