The Dave Smith Instruments OB-6 6-Voice Polyphonic Analog Synthesizer is the realization of two of the greatest minds in synthesis coming together to produce an elite instrument brimming with possibilities. Powered by an engine conceived in the image of Tom Oberheim's groundbreaking SEM, each voice comes armed with a pair of VCOs and sub-oscillator working in tandem with the iconic two-pole resonant filters and VCAs. Stacked on top of this powerhouse of analog synthesis is the signature double bank of DSI effects and the unique X-Mod functionality for a world of yet-unknown sounds.