Oberheim OB-6vsOberheim OB-X8
Summary
Oberheim OB-6 and Oberheim OB-X8: 2 Oberheim synth onlys compared side by side. They differ on 12 of 18 compared specifications.
| 2 items | Oberheim OB-6CurrentView details → | Oberheim OB-X8CurrentView details → |
|---|---|---|
| General | ||
| Manufacturer | Oberheim | Oberheim |
| Status | Current | Current |
| Released | 2016 | 2022 |
| Sound engine | ||
| Engine | Analogue | Analogue |
| Voices | 6 | 8 |
| Polyphony | 6 analogue voices | 8 analogue voices |
| Oscillators | 2 discrete VCOs per voice with variable shape, plus sub-octave and noise | 2 discrete SEM/OB-X-lineage VCOs per voice (saw, pulse, triangle) plus noise |
| Filter | 2-pole resonant state-variable (SEM-inspired): low-pass, notch, high-pass, band-pass | Discrete SEM-lineage 2-pole (with low-pass, high-pass, band-pass, notch) and Curtis 2/4-pole low-pass |
| Multi-timbral parts | 1 | 2 |
| Sequencer | Polyphonic step sequencer, up to 64 steps | None (arpeggiator only) |
| Effects | Reverb, Delay, BBD delay, Chorus, Flanger, Phaser, Ring modulator, Analogue distortion | — |
| Models | — | Oberheim OB-X, OB-Xa and OB-8 |
| Keyboard | ||
| Keys | 49 | 61 |
| Key size | Full | Full |
| Key action | Semi-weighted | — |
| Aftertouch | Channel | Channel |
| Keybed | — | Fatar |
| Format | ||
| Format | Keyboard | Keyboard |
| Motorised knobs | No | No |
| Features | SEM-style multimode filter, X-Mod, True-bypass digital effects, Arpeggiator, 500 factory and 500 user programs, Walnut end panels | OB-X, OB-Xa and OB-8 voice modes, Bi-timbral splits and layers, Vintage knob, Original OB factory programs, Oberheim pitch and mod levers, Arpeggiator clock input, Walnut end cheeks |
| Connections | ||
| MIDI ports | DIN in, DIN out, DIN thru, USB | DIN in, DIN out, DIN thru, USB |
| CV / Gate | No | — |
| Size & weight | ||
| Colours | Black, Walnut | Silver, Walnut |
| Dimensions (W × D × H) | 807 × 323 × 117 mm | 1029 × 423 × 149 mm |
| Weight | 9.5 kg | 14.74 kg |
Key differences
- Keys: OB-6 – 49 OB-X8 – 61
- Voices: OB-6 – 6 OB-X8 – 8
- Released: OB-6 – 2016 OB-X8 – 2022
- Polyphony: OB-6 – 6 analogue voices OB-X8 – 8 analogue voices
- Oscillators: OB-6 – 2 discrete VCOs per voice with variable shape, plus sub-octave and noise OB-X8 – 2 discrete SEM/OB-X-lineage VCOs per voice (saw, pulse, triangle) plus noise
- Filter: OB-6 – 2-pole resonant state-variable (SEM-inspired): low-pass, notch, high-pass, band-pass OB-X8 – Discrete SEM-lineage 2-pole (with low-pass, high-pass, band-pass, notch) and Curtis 2/4-pole low-pass
Both are the same on engine (Analogue).

