Altec Lansing 416A
Little is documented about the Altec Lansing 416A — no production years, no original price, no factory literature has surfaced. What the record shows comes mostly from dealer listings: it's a 15" low-frequency driver, 16 ohms, rated at 30W with 99dB sensitivity, a 20Hz–1600Hz frequency response, and a 25Hz cone resonance. It carries a 3" voice coil, measures 15 5/16" across, and weighs 17.5 lbs.
The 416A is best known as the woofer in the Altec Valencia system, paired with the 806A compression driver in a bass-reflex cabinet. Restored Valencia pairs with authentic 416As are described as among the most sought-after vintage loudspeakers. That reputation belongs to the system, though, not to any documented standalone review of the driver. Magnet type, cone material and Thiele/Small parameters are not recorded anywhere we could find. The specs above trace to a single vintage dealer listing, so treat them as provisional rather than factory-confirmed.
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