Two Legends. One InstrumentThe OB-6 takes the classic bold Tom Oberheim sound - with its true voltage-controlled oscillators, 2-pole filter, and amplifiers - and adds modern enhancements such as studio-quality effects, a polyphonic step sequencer, an arpeggiator, and more. No other modern analog poly synth can boast such a pedigree or such a massive, in-your-face sonic signature. Vintage SEM ToneThe OB-6 sound engine is inspired by Tom's original SEM, the core of his acclaimed 4-voice and 8- voi