CABLE, MICROPHONE: Model 11033A. Straight, two conductor, stranded, rubber insulation, rubber jacket. Terminated with U-173/U Connectors.
EARPHONE: Model 10009 Military Type H-143/AIC Type: Dynamic Frequency Range: 100 - 5000 Hz Sensitivity: 105 dBSPL @ 1kHz re 1mW RMS Impedance: 19 ± 2 Ω @ 1 kHz Distortion: < 3 % @ 100 - 2000 Hz; < 5% @ 2 - 5 kHz Altitude Compensation: 50,000 feet Temperature Range: -55 ºC to 71 ºC Per MIL-PRF-25670/2
HEADBAND: Model 11166 Beryllium Copper Band, mounted to sliding action bracket, swivel yoke and silicone rubber headpad. Covered with Vinyl plastic tubing.
MICROPHONE: Model 11142 Type: Dynamic Frequency Response: 200-6000Hz Sensitivity: 1.8 – 4 mV @ 1KHz re 74db SPL Impedance: 4 - 6 ohms Distortion: <6% @ 114db SPL Altitude Compensation: 50,000 feet Weight: =< 45 grams Per MIL-PRF-26542/2C
MICROPHONE: Model 10622B Military Type M-87 (150 ohm Version) Type: Dynamic Frequency Range: 200 - 6000 Hz Sensitivity: 50 - 56 dB re 1 mV @ 1 kHz/ 103 dBSPL/.187" Impedance: 150 ± 15.0 Ω @ 1 kHz Distortion: < 5 % @ 105dBSPL / 200 - 6000 Hz Altitude Compensation: 50,000 feet Weight: ≤ 45 grams MIL-PRF-26542/1
