LS-445/U
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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