: The unit uses an external power supply and lacks a physical on/off switch.
is primarily available through the used market on platforms like Reverb, as original production runs by Tom Oberheim are limited. Prices vary significantly based on condition and specific configuration: Tom Oberheim SEM-PRO Analog Synthesizer Module Reverb& more Go to product viewer dialog for this item. Typically priced between and $5,994.63 on Reverb. Oberheim SEM Pro 2011 Go to product viewer dialog for this item. Units pulled from larger systems (like the
: Reviewers at Audiofanzine highlight the high-quality knobs and immediate, intuitive interface. tom oberheim sem pro buy
: Offers a second independent control bus for velocity, channel pressure, or controller data to modulate filters and VCOs.
: The addition of an input preamp gain control allows external audio to be processed through its unique analog filters. Cons : : The unit uses an external power supply
: Features two VCOs and the famous multi-mode filter (Low-pass, High-pass, Band-pass, and Notch) that defined the Oberheim sound.
The Tom Oberheim SEM-PRO Analog Synthesizer Module Go to product viewer dialog for this item. Typically priced between and $5,994
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