Description:
Headphone:
Type: Dynamic(30)
Frequency Response:50 Hz to 20 kHz
Sensitivity: 95+/-5 dB SPL (1 kHz, 1 mW input per earcup side)
full volume on ear simulator
Active Noise Attenuation:
Dynamic 42 ohms: Rate Input: 30mW Max. Iuput:100mW
Speech Sound:
Dynamic 300 ohms,Rate Input: 30mW?Max. Iuput:100mW
Microphone and Amplifier:
Element Type: Noise-canceling electret
Frequency Response: 100Hz to 5 kHz
Operating Voltage (supplied by aircraft):8-32 Volts DC
Matching Impedance:150-1000 ohms
Sensitivity:-33+/-4 dB
(ref: 0dB SPL=20.0uPa?at 1 kHz with 10 Vdc 150 ohms AC load)
General:
Temperature:Operating: - 20 to 70oC
Cordage:
PA-311 Straight cord from headset to molded plug, 150CM
Intercom Connections:
Earphone Plug:PJ-055 ( .25"?6.3 phone plug)
Microphone Plug: PJ-068 ( .206" 5.2 phone plug)
Weights:
PA-311-----610g
Noise Reduction Specifications:
Attenuation Frequency Band __________________20Hz~20KHz
Main Attenuation Frequency Band ____________20Hz~600Hz
Attenuation Capability_________________________18~21dB
Power Consumption __________________________30 mW
Headset size range:
Height: 10 to 14 cm
Color: Black
Boom: Spring tension boom
