Tom Oberheim Sem Patch Panel (B2856) Empress Effects Enabling link allows compatible compressor

Enabling link allows compatible compressor modules like the 543 to share VCA control when their links are enabled

Frequency response 32 Hz - 150 Hz

For the most reliable pattern switching

built-in compression

Tom Oberheim Sem Patch Panel (B2856) Empress Effects Enabling link allows compatible compressorThe reissue of the classic SEM monophonic analog synthesizer expander module. Originally released in 1974, the SEM is one of the classic discrete analog synths, with a huge, three dimensional "fat" tone that must be heard to be believed. Tom's reissue cuts no corners the circuitry is almost identical to original units. The only component changes were made due to unavailable parts, but the great tone has not been affected. No digital voice circuits, or