Difference between revisions of "LS-11A"
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RadioNerds (talk | contribs) (Created page with "400px|rightThis unit is a four inch, direct radiator, dynamic type loudspeaker. It is housed in a metal inclosure and is resistant to weather, gun blast an...") |
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;PHYSICAL DESCRIPTION: | ;PHYSICAL DESCRIPTION: | ||
:Diameter - 4 inches (101. 60 mm) | :Diameter - 4 inches (101. 60 mm) | ||
− | :Mounting Dimensions - Adjustable mounting bracket with two 9/32 inch | + | :Mounting Dimensions - Adjustable mounting bracket with two 9/32 inch diameter holes spaced 1-1/2 inch C to C |
− | diameter holes spaced 1-1/2 inch C to C | ||
:Plug - PJ-055B | :Plug - PJ-055B | ||
;Over-all Dimensions: | ;Over-all Dimensions: | ||
Line 19: | Line 18: | ||
:Power handling rating - 2 watts (warble tones) | :Power handling rating - 2 watts (warble tones) | ||
:Frequency range - 300 to 7,000 cps | :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 | :Resistant Characteristics - Resistant to gun-blast, immersion, humidity, temperature extremes, and bounce | ||
;Operating Conditions: | ;Operating Conditions: |
Latest revision as of 23:48, 13 March 2015
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