ALTEC LANSING 1803B
* Release date unknown
¥ 219,400 (1 unit, around 1970)
¥ 287,800 (1 unit, after 1970 price revision)
Commentary
A multi-cellar horn designed to ensure wide sound pressure distribution characteristics required in theater halls, etc.
The 1803B was used in combination with the 290E as a speaker tower for the water stage in front of the square at the Japan World Exposition.
The driver unit can be mounted from one to a maximum of four by changing the throat.
Model Rating
| Type | Multi-seller horn |
| Directional property | Horizontal : 105 degrees Vertical : 53 degrees |
| Crossover frequency | 300 Hz or more |
| Compatible Driver Unit | 288D, 290E, 730C |
| External dimensions | Width 1,120x Height 700x Depth 610 mm |
| Weight | 27kg |