OB-SX is the cheaper and lighter version of OB-X. Just like its "big brother" it was based on a modular system and was produced with two, four or six voice cards. But the cards are not interchangeable/not compatible with OB-X. Each voice card has: Two...
The synthesizer module, designed by Donald Buchla (Tom Oberheim did not participate in the development) to recreate the sound of two legendary families of synthesizers - Moog and Oberheim. The name is the abbreviation of Oberheim-Moog. Ob-Mx is based on...
Combined into one housing, eight SEM modules feature sixteen voltage-controlled oscillators (eight voices per each of the two VCOs), eight controlled filters, eight controlled amplifiers with ADS generators that can be configured individually. All...
4 Voice is a semi-modular analog polyphonic synthesizer, assembled and based on the four SEM modules. Thus, the synthesizer incorporated eight voltage-controlled oscillators (VCO), two per voice, four controlled filters, four VCA and ADS envelope...
Keeping track of the success of his first synthesizer and willing to create a new product, Tom Oberheim simply combined two SEM modules with a keyboard and a basic sequencer putting them into one housing. This made it possible to get a duophonic...
