Buy | Tom Oberheim Sem Pro

: Offers a second independent control bus for velocity, channel pressure, or controller data to modulate filters and VCOs.

The Tom Oberheim SEM-PRO Analog Synthesizer Module Go to product viewer dialog for this item. tom oberheim sem pro buy

is a high-end boutique instrument that recreates the legendary 1970s Synthesizer Expander Module (SEM). It is characterized by its "True Analog" synthesis, cream-colored chassis, and a combination of modern MIDI integration with extensive patch-point flexibility. As of April 2026, the : Offers a second independent control bus for

: The unit uses an external power supply and lacks a physical on/off switch. It is characterized by its "True Analog" synthesis,

: Reviewers at Audiofanzine highlight the high-quality knobs and immediate, intuitive interface.

: Includes a built-in MIDI to CV Converter and a 21-jack patch panel , allowing it to bridge the gap between digital DAWs and modular analog gear.

: Some experts at Sound on Sound note that the MIDI/CV capabilities, while functional, are somewhat limited compared to more modern digital-heavy synthesizers. Oberheim SEM (2022 reissue) produced in collaboration with Sequential?