Altec 406B
A 10-inch low-frequency loudspeaker
Overview
The Altec 406B is a 10-inch woofer made by Altec. Allied Electronics catalogs from 1970 list it as the "Altec 406B 10' Woofer." It has a cast aluminum frame and a heavy magnet structure, and the whole driver weighs 9 pounds, 7 ounces. User discussions mention it in speaker setups alongside other classic audio equipment. It also shows up in a YouTube video titled "altec 406b biflex, LEAK stereo70," which suggests it may have been used in vintage stereo systems.
Specifications
| Driver size | 10-inch |
| Impedance | 8 ohm |
| Voice coil | 2 inch |
| Frame | Lightweight cast aluminum frame |
| Magnet structure | 9-lb. 7-oz. |
| Power rating | 15 or 25 watts (conflicting sources) |
| Frequency response | 25-4500 Hz |
| Depth | 514' deep |
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