Altair-231
| Manufacturer | Estradin |
| Function | Synthesizer (Analog 3-VCO) |
| Produced | 1980s |
| Country | USSR |
| Form Factor | Keyboard |
| Signal Path | Analog Hardware |
| Dimensions | 78x36x18 cm (30x14x7 in) |
| Weight | 17 kg (38 lbs) |
| Power | 110-220 volts |
| Connections |
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| Links | EBAY · REVERB |
| Notes | Pro serviced, tuned & tested. MIDI interface installed! Excellent working condition with 110 voltage support & 1/4TRS "Jacks" installed! See upper field (External References) for buying links. |