Arturia AstroLab 61 vs Sequential OB-6
| Arturia AstroLab 61 | Sequential OB-6 | |
|---|---|---|
| Key action | 61 semi-weighted piano-size keys with velocity and aftertouch (premium synth-action keybed) | Full-sized, semi-weighted, 4-octave (49-key) keyboard with velocity and channel aftertouch |
| Aftertouch | yes | yes (channel aftertouch) |
| Polyphony | — | 6 |
| Sounds / presets | 1800 | 1000 |
| Sound engine | 40+ instrument engines from Arturia's plugin line (V Collection/Analog Lab platform: vintage and modern synths, pianos, organs, hybrid instruments), expandable via Analog Lab Pro | — |
| Effects | 2 dedicated FX (delay, reverb) + 2 assignable FX knobs; up to 12 insert FX types | — |
| Speakers | None (line out only) | — |
| Bluetooth | Yes | No |
| USB audio | No | No |
| Pads / faders | no | — |
| Weight | 9.9 kg | 9.5 kg |
| Dimensions (W×D×H) | 935 × 99 × 330 mm | 807 × 323 × 117 mm |
| Battery power | no | — |
| Released | 2023 | 2016 |
| USB to host | — | yes |
| Status | current | legacy |
| Keys | 61 | 49 |
| Pedals | — | Sustain footswitch input, Sequencer start/stop footswitch input, Filter cutoff expression pedal input, Volume expression pedal input |
Which one should you buy?
- Choose the Arturia AstroLab 61 if budget is the priority — it is about $1000 cheaper (approx.).
- Choose the Sequential OB-6 if lighter to carry to gigs and lessons (9.9 kg vs 9.5 kg).
- Choose the Arturia AstroLab 61 if you want more variety of built-in voices (1800 vs 1000).
- Choose the Arturia AstroLab 61 if you want wireless MIDI/audio from a phone or tablet.
Full spec sheets: Arturia AstroLab 61 · Sequential OB-6. Rows with a highlighted background differ.