Altec Lansing 419-8B
A 30 cm full-range speaker unit with mechanical crossover at 1 kHz, designed for wide frequency response.
Overview
The Altec Lansing 419-8B is a 30 cm aperture wide-range type speaker unit manufactured by Altec Lansing. Designed as a special cone type full-range driver, it features a unique diaphragm construction aimed at delivering extended and accurate sound reproduction. Though production years are undocumented, it was priced in Japan at ¥46,700 per unit around 1975.
Specifications
| Driver size | 30 cm aperture |
| Type | 30 cm special cone type full-range speaker |
| Frequency characteristic | 30 Hz to 15 kHz |
| Lowest resonance frequency | 39Hz |
| Impedance | 8 Ω |
| Rated input | 20W |
| Magnetic flux density | 10,400 gauss |
| Crossover frequency | 1 kHz (Mechanical) |
| External dimensions | Diameter 308 x Depth 143 mm |
| Weight | 6.8kg |
| Original price | ¥46,700 (1 unit, around 1975) |
Design
The diaphragm is composed of Altec's original multi-compliance cone and a 7.5 cm diameter meta Le Dome, contributing to its wide frequency response and overall performance.
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