| Pro Soloist | |
|---|---|
 ARP Pro Soloist | |
| Manufacturer | ARP Instruments, Inc. |
| Dates | 1972 - 1977 |
| Technical specifications | |
| Polyphony | Monophonic |
| Timbrality | Monotimbral |
| Oscillator | 1 |
| LFO | yes |
| Synthesis type | Analog Subtractive |
| Filter | 24dB/oct Low Pass, plus 14 fixed filters (Resonators) |
| Attenuator | yes |
| Effects | none |
| Input/output | |
| Keyboard | 37-key synth action with Aftertouch |
| External control | none |
The ARP Pro Soloist was one of the first commercially successful preset synthesizers. Introduced by ARP Instruments, Inc. in 1972, it replaced the similar ARP Soloist (1970–1971) in the company's lineup of portable performance instruments.