Altec Lansing 421-8HII
A 38 cm cone woofer designed for high-power musical instrument and PA applications
Overview
The Altec Lansing 421-8HII is a 38 cm cone type woofer unit built for durability and high-power handling. Manufactured by Altec Lansing, it was developed specifically for use in musical instrument amplification and found favor in high-power public address (PA) systems due to its ability to withstand large input levels without failure. This driver delivers a frequency response from 35 Hz to 8 kHz with a sensitivity of 101dB measured at one watt per meter.
Specifications
| Driver size | 38 cm |
| 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 |
| Weight | 9.5kg |
Context
Originally developed for musical instruments, the 421-8HII became a preferred choice for high-power PA systems thanks to its robust construction and ability to handle substantial continuous power inputs, making it suitable for demanding live sound environments.
eBay Listings
As an eBay Partner, we earn from qualifying purchases. This helps support our independent vintage technology research.