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OBERHEIM OB-6 6-voice polyphonic analog synthesizer
The OB-6® is the result of the unique collaboration between Dave Smith and Tom Oberheim, two of the most influential designers in the history of polyphonic synthesizers.
The OB‑6’s sound engine is inspired by Tom’s original SEM, the heart of his renowned four‑ and eight‑voice synthesizers. It features two discrete voltage‑controlled oscillators (plus a sub‑oscillator) per voice, with continuously variable waveforms (sawtooth and variable‑width pulse, plus a triangle wave for the second oscillator). The classic, Oberheim‑inspired, state‑variable 2‑pole resonant filter provides low‑pass, high‑pass, band‑pass, and notch modes. Voltage‑controlled amplifiers complete the fully analog signal path.
- Display: Alphanumeric
- Aftertouch: Yes
- Arpeggiator: Yes
- Category: Synthesizer
- Color: Blue, Black
- Dimensions (mm): 807 x323 x 117
- Inputs: USB, Expression pedal, Sustain pedal, MIDI
- Envelope: ADSR
- Filters: SEM state‑variable filter with low‑pass, high‑pass, notch, and band‑pass
- Key size: Full‑size
- Sound generator: Noise, VCO
- LFO: 1 LFO per voice
- User memories: 500
- Number of effects: 6
- Number of presets: 500
- Number of keys: 49
- Weight: 9.50 kg
- Max polyphony: 6
- Velocity-sensitive: Yes
- Sequencer: Yes
- Outputs: MIDI, Headphones, USB Type‑B, Stereo jack output
- Key action: Velocity-sensitive with aftertouch
- Transpose: Yes
- Synthesis type: VCO
Specific References
- KOB OB-6
- 0855346000753