ALTEC LANSING 409-8D
¥ 12,000 (1 unit, released in 1977)
Commentary
20 cm diameter 2-way coaxial type speaker unit.
Model Rating
| Type | 2-way 20 cm coaxial speaker unit |
| Units Used | For low band : 20 cm cone type For High Frequency : Cone Type |
| Frequency characteristic | 50 Hz to 14 kHz |
| Lowest resonance frequency | 84Hz |
| Impedance | 8 Ω |
| Allowable input | 16W |
| Output sound pressure level | 96 dB (New JIS) |
| Voice Coil Diameter | 25mm |
| External dimensions | - |
| Weight | 1.3kg |