ALTEC LANSING 421-8HII
* Release date unknown
Price unknown (1 unit, around 1975)
Commentary
38 cm cone type woofer unit developed for musical instruments.
It was also preferred for high power PA systems because it can withstand large inputs.
Model Rating
| Type | 38 cm cone woofer unit |
| Frequency characteristic | 35 Hz to 8 kHz |
| Lowest resonance frequency | 40Hz |
| Impedance | 8 Ω |
| Allowable input | 150W continuous |
| Output sound pressure level | 101dB/W/m |
| External dimensions | - |
| Weight | 9.5kg |