Tom Oberheim — Sem Pro Buy

: The unit uses an external power supply and lacks a physical on/off switch.

Full keyboard versions containing two SEM modules are significantly more expensive, reaching approximately on Reverb . Key Specifications and Features tom oberheim sem pro buy

) can be found for around on Reverb, though these may require custom enclosures or tech work to function as standalone units. Oberheim TVS-Pro (Two-Voice System) : The unit uses an external power supply