The demonstration of the delayed echo
The device consists of two microphones and headphones freely suspended on a metal stand. Voices spoken into the microphone and hear in the earpiece is electronically delayed with delay 1/5 seconds. The exhibit demonstrates the acoustic phenomenon of delayed feedback (echo). Delay sometimes makes speaking intelligibly impossible as a feedback mechanism is affected by delay
Material: Metal, wood, electronic module and wiring delays.
Dimensions: 85 x 90 x 70