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Model 11175CModel 11189

Model 11175D
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Model 11175D



CABLE: Model 10551T. Branched six conductor, stranded, polypropylene insulation, rubber jacket. Approx. 24 inches long. Terminated with a U-174/U Plug, and molded grommet and terminal pins. Branch is terminated with a U-172/U Connector.

CABLE, MICROPHONE: Model 11033A. Straight, two conductor, rubber insulation, rubber jacket. Terminated with U-173/U connectors.

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EAR CUSHIONS: Model 10253B. Polyurethane covered visco-elastic foam for improved comfort.

EARPHONE: Model 10009.
Military Type H-143/AIC
Type: Dynamic
Frequency Range: 100 - 5000 Hz
Sensitivity: 105 dBSPL @ 1kHz re 1 mW RMS
Impedance: 19 ± 2 @ 1 kHz
Distortion: < 3 % @ 100 - 2000 Hz; < 5% @ 2 - 5 kHz
Altitude Compensation: 50,000 feet
Temperature Range: -55 ºC to 85 ºC
Per MIL-PRF-25670

HEADBAND: Model 11043A. Adjustable headband with thumbnut locking feature, inserted thru extruded vinyl support. Constructed of steel with durable epoxy covering. Polyurethane covered foam replaceable headband pad.

MICROPHONE: Model 10239A.
Military Type M-101
Type: Dynamic
Frequency Range: 200 - 6000Hz
Sensitivity: 40 ± 3 dB re 1 mV @ 1 kHz / 103dBSPL / .25"
Impedance: 5 + 1 @ 1 kHz
Distortion: < 6% @ 114 dBSPL / 200 - 6000 Hz
Altitude Compensation: 50,000 feet
Temperature Range: - 55 ºC to 85 ºC
Weight: ≤16 grams
MIL-PRF-26542/4


ITEM ITEM DESCRIPTION NSN QTY. ASTROCOM P/N
1 Pad Assembly, Acoustical 2 10398E
2 Earphone H-143/AIC 2 10009
3 Headband Assembly 1 11043B
4 Cushion Assembly, Ear 2 10253B
5 Boom Support 1 10390B
6 Boom Assembly 1 10665B
7 Cable, Microphone 1 11033A
8 Microphone M-101/AIC 5965-00-843-9957 1 10197A
9 Cable, Main 1 10551T






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