Altec Lansing 401C (1970)
A 20 cm full-range cone speaker unit released in 1970 with an Alnico magnet and 8 Ω impedance.
Overview
The Altec Lansing 401C is a 20 cm cone type full-range speaker unit manufactured by Altec Lansing and released in 1970. Designed for use as a single-driver solution across all audio bands, it features an orthodox cone construction and utilizes an Alnico magnet, a hallmark of high-fidelity audio components from the era. Rated for 15 watts of input power and presenting an 8 Ω load, it was priced at ¥17,500 per unit at launch.
Specifications
| Driver size | 20 cm |
| Type | Cone type full range speaker |
| Frequency characteristic | 60 Hz to 12 kHz |
| Lowest resonance frequency | 80Hz |
| Impedance | 8 Ω |
| Allowable input | 15W |
| Magnet used | Alnico |
| Weight | 0.9kg |
Design
Uses an orthodox cone for all bands, indicating a single full-range driver design intended to reproduce the entire audible spectrum without auxiliary drivers or crossovers.
Market
Originally sold for ¥17,500 per unit, the 401C reflects the premium materials and engineering standards of Altec Lansing’s 1970s speaker lineup.
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