CABLE: Model 10551F. Branched, six conductor, stranded, polypropylene insulation, rubber jacket. Two conductor headband and microphone branches molded into a unique junction. Microphone branch terminated with U-173/U Connector inside the microphone shell. Main cable approx. 29 inches in length terminated with a U-174/U Connector
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EAR CUSHIONS: Model 10253B Polyurethane covered visco-elastic foam for improved comfort.
EARPHONES: Model 10009 Type: Dynamic Frequency Range: 100 - 5000 Hz Sensitivity: 105 dBSPL @ 1kHz re 1 mW RMS Impedance: 19 ± 2 Ω @ 1 kHz Distortion: < 3 % @ 100 - 2000 Hz; < 5% @ 2 - 5 kHz Altitude Compensation: 70,000 feet Temperature Range: - 55 ºC to 85 ºC Per MIL-PRF-25670
HEADBAND: Model 11043B Adjustable headband with thumbnut locking feature, polyurethane covered foam replaceable headband pad. Constructed of steel with durable epoxy covering.
MICROPHONE: Model 10239A Type: Dynamic Frequency Range: 200 - 6000Hz Sensitivity: 40 ± 3 dB re 1 mV @ 1 kHz / 103dBSPL / .25" Impedance: 5 + 1 Ω @ 1 kHz Distortion: < 6% @ 114 dBSPL Altitude Compensation: 50,000 feet Temperature Range: - 55 ºC to 85 ºC Weight: ≤16 grams MIL-PRF-26542/4
