A4A/MR94A
| Brand | Altec Lansing, Altec |
| Series | Voice of the Theatre |
| Function | Speaker |
| Produced | 1983 |
| Country | United States |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Frequency Response | 40Hz-15kHz |
| Treble | 24"x28" Constant Directivity Horn (Altec MR94A, Altec) |
| Midrange/Bass | 15" Paper Cone (x2) (Altec) |
| Impedance (Nominal) | 16Ω |
| Crossover Frequency | 500Hz (Altec) |
| Dispersion (Horizontal) | 90° |
| Dispersion (Vertical) | 40° |
| Enclosure Type | Front-Loaded Horn, Bass Reflex (Altec 210) |
| MSRP (1983) | ¥1,555,000 |