| Model ID | A9 |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 121.9 × 242.8 × 61 cm (W × H × D); 121.9 × 213.4 × 61 cm (W × H × D) |
| Weight | 510lbs (Shipped) |
| Frequency Response | 35Hz-22kHz |
| Treble | 10.6"x25.3" Sectoral Horn (Altec 511D, Altec 806-16A) |
| Midrange/Bass | 15" Paper Cone (x2) (Altec 515B) |
| Sensitivity | 101dB/W/4' |
| Sensitivity (EIA) | 54dB |
| Impedance (Nominal) | 16Ω |
| Crossover Frequency | 500Hz (Altec N-500-F) |
| Dispersion (Horizontal) | 90° |
| Dispersion (Vertical) | 40° |
| Maximum Output (600Hz-2.4kHz, 50W, 4') | 118dB |
| Power Handling | 50W |
| Enclosure Type | Bass Reflex |
| Finish | Gray |
| Notes | Minor revisions |
