Karlheinz Stockhausen - galeria (1)

Sine-wave generator
(Photo: Volker Müller)

Heath Kit; sine- & rectangular generator
(Photo: Annelise Löffler)

Ring-modulators
(Photo: Volker Müller)

Kidney-drum with calf-skin head

The tam-tam used in Momente and Mikrophonie I

Stockhausen's rotation loudspeaker

Studie II, score page 15

Fundamental spectra over seven basic durations
(Mountain Panorama at Paspels)