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Oberheim OB-1

État: Excellent état

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5 500,00
VAT included

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Oberheim OB-1

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${translate('attachments')} Schéma électronique Oberheim OB-1


Analogical tank from the 1978s with which we quickly spend hours on bass sounds, with 2 synchronizable VCOs. Rare with less than 650 copies, there is a grey version OB-1A. 1750 copies in total.

The 6-page Oberheim OB-1 manual is typewritten (true, it can be found on the Internet), but it is not really needed in sound design, except perhaps to position the buttons to be able to record a sound on the 8 available memories (which store the positions of 33 potentiometers or buttons, almost all of them), as this cannot be invented. The OB-1 sends heavy, even if its keyboard is very cheap and makes a hell of a noise. In any case, it can be ordered with conventional CV-IN 1 volt per octave.

The pinball pitch is huge.

It is recommended in the instructions for use to wait 5 minutes for the circuits to be stabilized. This is clearly another way to conceive a sound, with fabulous surprises in the percussive basses, noise, boat engine noises, factory purring. Finally, no need to look for a MIDI interface on the OB-1.

Source: vintage stock copy tested, service manual.

Technical caracteristics

2 sound output levels: 1v max and 10v max.

We find the Curtis CEM3310 and CEM3340 circuits identical to those of Prophet 5, for VCO and ADSR, but we must look carefully in the manual revision service of November 1978, because we are close to the freehand drawing. We can feel the experimental design.

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