ALTEC LANSING 290E
* Released in 1968
¥ 116,700 (1 unit, around 1970)
¥ 145,200 (1 unit, after 1970 price revision)
Commentary
Driver unit for large acoustic PA system that can be used outdoors.
At the Japan World Exposition, 1803B was used in combination with the speaker tower for the water stage in front of the square.
Waterproof type with a completely sealed structure.
When used in combination with a dedicated throat and a multi-seller horn or 311-90 or 311-60, sound pressure distribution characteristics of an ideal directional pattern can be obtained.
Model Rating
| Type | Driver unit |
| Frequency characteristic | 300 Hz to 8 kHz |
| Impedance | 4 Ω |
| Allowable input | 100W (300 Hz or more) |
| Output sound pressure level | 116dB/W/m |
| Applicable Horn | 311-90, 311-60, 239A Multi-seller horn |
| Voice coil diameter | 7.1cm |
| External dimensions | Diameter 165x Depth 180 mm |
| Weight | 9.5kg |