MATRIXSYNTH: Oberheim OB 1 Analogue Synthesiser - Number 59


Monday, May 15, 2017

Oberheim OB 1 Analogue Synthesiser - Number 59

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"All features work fully and have been properly checked.

Programmer and patch memory are all fully working.

Very little wear and minor marking from normal use.

HISTORY / SPEC / CONDITIONS

This is the all discrete version which means it uses discrete circuitry for the VCO's, VCF, VCA and for the Envelope Generators, similar to the SEM modules.

Later OB-1's replaced this circuit with CEM 3310 IC's, the same as the OB-X. Apparently only 200 were made and this is number 59.

Twin discrete VCO's with great features such as continuously variable wave shapes and sub oscillators, cross modulation, switchable 2 or 4 pole filter.

It is the first truly programmable synth with 8 non volatile patch memories, all the black topped knobs indicate that their values can be stored into memory and the grey topped knobs are the ones that can't."

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