A2-X/1804B
| Brand | Altec, Altec Lansing |
| Manufacturer | LTV Ling Altec, Inc. |
| Series | Voice of the Theatre |
| Function | Speaker |
| Produced | 1966 |
| Country | United States |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 304.8 × 287 × 100.3 cm (W × H × D) |
| Weight | 1400lbs (Shipped) |
| Treble | 3x6 Multicellular Horn (Altec 1804B, Altec 30170 (x2), Altec 288C (x4)) |
| Midrange/Bass | 15" Paper Cone (x4) (Altec 515B) |
| Crossover Frequency | 500Hz (Altec N-500-C) |
| Dispersion (Horizontal) | 125° |
| Dispersion (Vertical) | 60° |
| Power Handling | 150W |
| Enclosure Type | Front-Loaded Horn, Bass Reflex (Altec 410) |