Oberheim OB-Xa
The Oberheim OB-Xa was the second of Oberheim's OB-series polyphonic analog subtractive synthesizers, replacing the OB-X with updated features.
| OB-Xa | |
|---|---|
Oberheim OB-Xa analog polyphonic synthesizer | |
| Manufacturer | Oberheim |
| Dates | 1980 – 1982 |
| Price | US$4595–5595 |
| Technical specifications | |
| Polyphony | Monophonic or 2,4, 6 or 8 voices |
| Timbrality | Bi-timbral (keyboard split/layering) |
| Oscillator | 2 VCOs per voice |
| LFO | 1 |
| Synthesis type | Analog Subtractive |
| Filter | Switchable 12dB/oct and 24dB/oct resonant low-pass |
| Attenuator | 2 x ADSR; one for VCF, one for VCA |
| Aftertouch expression | No |
| Velocity expression | No |
| Storage memory | Yes, 32 or 120 patches |
| Effects | None |
| Input/output | |
| Keyboard | 61-key |
| Left-hand control | Pitch Modulation |
| External control | Oberheim system |
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