Plotting Board of the Proportional Control System

Plotting Board of the Proportional Control System
[Plotting Board of the Proportional Control System / designed and constructed by Fred Waldhauer] (1966, 1 item: oscillators, resistors and an amplifier in a metal and plastic container; 26 X 36 X 8.5 cm + light pen). Components used to remote control sound sources during David Tudor’s performance Bandoneon! (a combine) and Deborah Hay’s performance Solo presented in the context of "9 Evenings: Theatre and Engineering" held at the Armory (New York, N.Y., USA) in 1966. The light pen was added in the 1990’s as a demonstration item. The Daniel Langlois Foundation for Art, Science, and Technology, 9 Evenings: Theatre and Engineering fonds.
Photo: Éric Legendre.