Library Music Instrument

Oberheim SEM

Oberheim's 1974 Synthesizer Expander Module, its first synthesizer voice.

Oberheim SEM (original unit)
Oberheim SEM (original), NAMM 2014. Cropped from a photo also showing a paired Arturia BeatStep controller.Photograph by Brandon DanielSource
Collections
Music
Type
Instrument
Creators
Tom Oberheim, Dave Rossum, Oberheim Electronics
Subjects
Instruments

Designed by Tom Oberheim with Dave Rossum, the 1974 Synthesizer Expander Module (SEM) was Oberheim’s first product to generate its own sound and the first to carry the Oberheim name, later forming the voice circuit behind the company’s polyphonic instruments.