Arturia OP-Xa VvsArturia SEM V3
Summary
Arturia OP-Xa V and Arturia SEM V3: 2 Arturia software synths compared side by side. They differ on 7 of 9 compared specifications.
Key differences
- Voices: 16 on the OP-Xa V and 8 on the SEM V3.
- Emulates: Oberheim OB-Xa (1980) on the OP-Xa V and Oberheim SEM (1974) on the SEM V3.
- Polyphony: Up to 16 voices on the OP-Xa V and Up to 8 voices on the SEM V3.
- Oscillators: 2 VCOs per voice plus noise, cross-modulation on the OP-Xa V and 2 VCOs (saw, variable pulse) with hard sync, plus sub-oscillator on the SEM V3.
- Filter: Modelled Oberheim 2- and 4-pole low-pass on the OP-Xa V and 12 dB state-variable: low-pass, notch, high-pass, band-pass on the SEM V3.
Both are the same on synth type (Analogue modelling) and plugin formats (VST2, VST3, AU, AAX).
| 2 items |  Arturia OP-Xa VCurrent |  Arturia SEM V3Current |
|---|---|---|
| General | ||
| Manufacturer | Arturia | Arturia |
| Status | Current | Current |
| Released | — | 2025 |
| Engine | ||
| Synth type | Analogue modelling | Analogue modelling |
| Emulates | Oberheim OB-Xa (1980) | Oberheim SEM (1974) |
| Voices | 16 | 8 |
| Polyphony | Up to 16 voices | Up to 8 voices |
| Oscillators | 2 VCOs per voice plus noise, cross-modulation | 2 VCOs (saw, variable pulse) with hard sync, plus sub-oscillator |
| Filter | Modelled Oberheim 2- and 4-pole low-pass | 12 dB state-variable: low-pass, notch, high-pass, band-pass |
| Effects | Chorus, Delay, Reverb, Phaser, Flanger, Compressor, Drive, Bit crusher | Insert effects |
| Software | ||
| Plugin formats | VST2, VST3, AU, AAX | VST2, VST3, AU, AAX |
| Features | ||
| Features | Arpeggiator, MPE, MTS-ESP microtuning, Standalone app, NKS | Multi-arpeggiator, Unison, Macro controls, Standalone app, NKS |