LS-445~U

Loudspeaker LS-445/U is an unencased, 2-watt, gunblast and immersion resistant permanent magnet type loudspeaker unit. It has a 4-inch diameter cone with a voice coil impedance of 8 ohms.

Specification

CONSISTS OF

1 Permanent Magnet Loudspeaker - LS-445/U

RELATIONSHIP TO SIMILAR EQUIPMENT

PHYSICAL DESCRIPTION:

Diameter - 4 inches (101.60 mm)

Mounting Dimensions:

Four number 10 - 24 thd tapped holes on 3-5/16 inch by 3-5/16 inch mounting centers.

Terminal/Connector Designation - Two Solder Type terminals

Over-all Dimensions

Length - 4 inches (101.60 mm)

Width - 4 inches (101.60 mm)

Depth - 2-3/8 inches (maximum) (60.33 mm)

Weight - 1/2 lbs.

INPUT

Voice coil impedance - 8 ohms ±1 ohm

Power handling rating - 2 watts, normal

Frequency range - 300 to 7,000 cps

Environmental Service

Temperature - 80° F to + 160° F

Moisture - In accordance with Method 106, of MIL-STD-202

Immersion - 3 feet of tap water for 24 hours

Bounce - In accordance with MIL-L-12606

Fungus - Treated for moisture and fungus resistance in accordance with MIL-T-152

Reference Files

MSS 5965-6

MIL-L-12606

Drawing SC-D-53366

Pricing Guide for Signal Corps Equipment SIG 5-5