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HEADSET: Model 10951A. Military Type
H-158A/AIC. CABLE: Model 10551C.
Branched six conductor, stranded, polypropylene
insulation, rubber jacket. Approx. 30 inches long.
Terminated with a U-174/U Plug. Two conductor headband
and microphone branches molded into a unique junction.
Headband branch terminated with molded-on grommet and
terminal pins. Microphone branch terminated with a
U-172/U Connector.
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EARCUSHION: Model 10391B. Polyurethane
covered visco-elastic foam for improved creature comfort.
EARPHONES:
Model 10009 Military Type
H-143/AIC
Type: Dynamic
Frequency Range: 100 - 5000 Hz
Sensitivity: 105 dBSPL @ 1 kHz re 1 mW RMS
Impedance: 19 ± 2
Ω @ 1 kHz
Distortion: < 3 % @ 100 - 2000 Hz; < 5% @ 2 - 5 kHz
Altitude Compensation: 50,000 feet
Temperature Range: - 55 șC to 85 șC
Per MIL-PRF-25670/2
HEADBAND: Model 11043A. Adjustable
headband with thumbnut locking feature, inserted thru
extruded vinyl support, urethane covered foam replaceable
headband pad.
MICROPHONE: Model 10197
Military Type M-87
Type: Dynamic
Frequency Range: 200 - 6000 Hz
Sensitivity: 34 - 41 dB re 1 mV @ kHz/ 103 dBSPL/ .187"
Impedance: 5 ± 1 Ω @ 1 kHz
Distortion: < 6% @ 114 dBSPL
Altitude Compensation: 50,000 feet
Weight: ≤ 45 grams
MIL-PRF-26542/2
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