back to Hansjoachim Dietrich here
Geräuschkissen 1968
20 copies
A loud speaker is placed inside the cushion and connected to an electronic metronome. Attached to the metronome there is a potentialmeter which makes it possible to alter the time frequency with a screw driver. This is fed by a 9 V battery, controlled by a contact switch.
40 x 40 cm