

Replacement Earseals (Leatherette) P/N = 800456-020
Replacement Earseals (Foam) p/n 800456-018* - N.L.A ( MD )
*replaced by 800456-020
Replacement Earseals (Leatherette) P/N = 800456-020
Replacement Earseals (Foam) p/n 800456-018* - N.L.A ( MD )
*replaced by 800456-020
Replacement Windscreen P/N = 800456-019
Replacement Cloth Clip P/N = 590637-000
*********************************************************************************************************************
Receivers
• Frequency response: 350Hz – 3kHz
• Sensitivity: 90 +/- 5dB (1kHz, 1mW, “low”
setting)
• Impedance:
150 ohms +/- 20% @ 1kHz
Microphone
• Element type: Noise canceling
amplified electret
• Matching impedance: 50 – 600 ohms
• Frequency response: 300Hz – 6000Hz
(per RTCA DO-214)
• Sensitivity: 400mV+/-6dB (at 1kHz, 12VDC,
470 ohm DC/150 ohm AC load)
• Operating Voltage: 8-28 Vdc (470
ohm impedance)
ANR
• Power from ANR circuit is developed from
Boom Microphone system*
• Provides up to 12 dB attenuation between
100 and 2000 Hz