Altec 602A (1952)
A 15-inch coaxial duplex speaker developed in 1952, featuring an 8Ω impedance and a cellular-horn tweeter.
Overview
The Altec 602A is a coaxial duplex speaker developed in 1952 by Altec. It combines a 15-inch woofer and a high-frequency driver in a single coaxial design, intended for full-range audio reproduction. Known by multiple names including "Altec 602A Duplex" and "15-Inch Coaxial Duplex," it was described as a full-range unit capable of handling frequencies from 30 Hz to 22,000 Hz.
Specifications
| Driver size | 15-Inch |
| Tweeter type | 3000H Tweeter |
| Configuration | coaxial |
| Impedance | 8Ω |
| Crossover frequency | 3000 |
| Frequency range | 30-22000 Hz |
Market
As of October 23, 2025, one unit was listed for $340.00 in excellent, working condition. A 2012 listing showed a price of $400, indicating potential value retention over time. Some sources mention spare parts availability, including replacement cones. One listing noted a minor flaw: "a small tear."
eBay Listings
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