LS-11A

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LS-11A.png
This unit is a four inch, direct radiator, dynamic type loudspeaker. It is housed in a metal inclosure and is resistant to weather, gun blast and immersion. The unit is intended for use with ground service tactical equipments where resistance to gun-fire and immersion are requirements.


Specifications

CONSISTS OF
1 Loudspeaker, Permanent Magnet LS-11A
PHYSICAL DESCRIPTION
Diameter - 4 inches (101. 60 mm)
Mounting Dimensions - Adjustable mounting bracket with two 9/32 inch diameter holes spaced 1-1/2 inch C to C
Plug - PJ-055B
Over-all Dimensions
Length - 7-1/32 inches (178.59 mm)
Width - 4-29/32 inches (124.62 mm)
Depth - 3-5/16 inches (84. 14 mm)
Case Material - Metal
INPUT
Voice coil impedance - 8 ohms
Power handling rating - 2 watts (warble tones)
Frequency range - 300 to 7,000 cps
Transformer data - 250 ohms primary impedance
Resistant Characteristics - Resistant to gun-blast, immersion, humidity, temperature extremes, and bounce
Operating Conditions
Temperature - From - 65 deg F to + 160 deg F
Elevation - 5,000 feet above sea level
Relative Humidity - 95 percent
Salt-Laden Air - As encountered in coastal regions
Nonoperating Conditions
Temperature - From -80 deg F to +160 deg F for 72 hrs
Elevation - 50, 000 feet above sea level
Relative Humidity - 100 percent

Reference Files

MIL-L-12606
MIL-L 12632