MIL-DTL-12606 Loudspeaker, Permanent Magnet \(Unencased, 3-Inch And 4-Inch Diameter Cone, 2-Watt; Fungus-, And Immersion-Resistant\), Type Ls-445/U, M12606-01, And M12606-02This specification covers type LS-445/U, M12606-01 and M12606-02, unencased, permanent magnet loudspeakers with a 2-watt normal \(4-watt peak\) input. These loudspeakers are fungus-, and immersion-resistant, and have a voice coil impedance of 8 ?? 1 ohms. The cone and spider are made of polyamide-based phenolic material \(see 6.1\).

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