ALTEC LANSING 615B
* Released in 1968
¥ 130,700 (1 unit, around 1970)
¥ 147,800 (1 unit, after 1970 price revision)
Commentary
Coaxial composite speaker unit for PA designed for high efficiency and large sound output.
A 38 cm cone type woofer is used for the low range.
A horn-type unit with a water-drop equalizer called the Meat Bonner is used for the high-frequency band to achieve excellent directional characteristics.
The driver is equipped with a Phenolic diaphragm for improved input resistance.
The crossover network is attached to the speaker frame.
Model Rating
| Type | 38 cm coaxial speaker unit |
| Units Used | For low band : 38 cm cone type For High Frequency : Horn Type |
| Frequency characteristic | 20 Hz to 12 kHz |
| Lowest resonance frequency | 25Hz |
| Impedance | 16 Ω |
| Allowable input | 35W |
| Crossover frequency | 1.55kHz |
| External dimensions | - |
| Weight | 12.6kg |