Model Three
| Brand | Altec Lansing, Altec |
| Manufacturer | Altec Corporation |
| Function | Speaker |
| Produced | 1975 |
| Country | United States |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 31.8 × 61 × 29.2 cm (W × H × D) |
| Weight | 26.25lbs (Net), 32.5lbs (Shipped) |
| Frequency Response | 50Hz-20kHz |
| Treble | 4" Paper Cone |
| Midrange/Bass | 10" Paper Cone |
| Sensitivity (500Hz-3kHz) | 90.5dB/W/4' |
| Impedance (Nominal) | 8Ω |
| Crossover Frequency | 1.5kHz |
| Dispersion (Horizontal, 800Hz-8kHz) | 140° |
| Dispersion (Vertical, 800Hz-8kHz) | 120° |
| Recommended Amplifier Power | 10-100W |
| Maximum Output | 106dB |
| Power Handling | 35W |
| Enclosure Type | Bass Reflex |
| Finish | Oak |
| MSRP (1975) | $119 |