1233C
| Brand | Altec |
| Manufacturer | Altec Corporation |
| Function | Speaker |
| Produced | 1983 |
| Country | United States |
| Form Factor | Floorstanding / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 71.1 × 83.8 × 48.3 cm (W × H × D) |
| Weight | 112lbs |
| Frequency Response | 50Hz-15kHz |
| Treble | 8.6"x18.4" Sectoral Horn (Altec 811B, Altec 908-8B) |
| Midrange/Bass | 15" Paper Cone (Altec ER15) |
| Sensitivity | 100dB/W/m |
| Impedance (Nominal) | 8Ω |
| Crossover Frequency | 1.2kHz |
| Crossover Slope | 12dB/Oct (Second Order) |
| Dispersion (Horizontal) | 90° |
| Dispersion (Vertical) | 40° |
| Power Handling (Nominal) | 120W |
| Enclosure Type | Bass Reflex |
| Finish | Black Leather-Grained Vinyl |