ALTEC LANSING 511B
* Release date unknown
¥ 29,300 (1 unit, around 1970)
¥ 33,700 (1 unit, after 1970 price revision)
¥ 37,000 (1 unit, around 1976)
Commentary
Aluminum die-cast Celtal horn slightly larger than 811B.
It is used for A7-500.
With uniform sound pressure distribution in 90 ° horizontal and 40 ° vertical, and wide diffusion characteristics, it is also effective for sound reproduction in theaters and halls.
Model Rating
| Type | Cetoral horn |
| Directional characteristics (horizontal x vertical) | 90 ゜ x40 ゜ |
| Crossover frequency | 500Hz |
| Compatible Driver | 802-8D, 806-8A, 808-8A |
| External dimensions | Width 633x Height 270x Depth 500 mm (1970 catalog) Width 595x Height 270x Depth 480 mm (1976 catalog) |
| Weight | 8.1kg |