CS-A770
| Brand | Pioneer |
| Manufacturer | Pioneer Electronic Corporation |
| Function | Speaker |
| Produced | 1971-1972 |
| Country | Japan |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 48.5 × 79 × 39.5 cm (W × H × D) |
| Weight | 72lbs |
| Frequency Response | 30Hz-20kHz |
| Treble | Multi-Cellular Horn (Part #PT-405F-3) |
| Low Treble | 4" Paper Cone (Part #10-702F-1) |
| Midrange | 6.5" Paper Cone (Part #16-704F-1) |
| Bass | 12" Paper Cone (Part #30-705F-2) |
| Sensitivity | 97dB/W/m |
| Impedance (Nominal) | 8Ω |
| Crossover Frequencies | 450Hz, 1.7kHz, 5kHz (Part #SWN-016-0) |
| Power Handling | 80W |
| Enclosure Type | Bass Reflex |
| Finish | Walnut |