2207 Clay Street
Elkhart, IN 46517
CAGE Code: 59369
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Features and Info:
Listen to the quality:
This is a Mush Mouth microphone shield assembly (11389P-09). Included is a general aviation microphone (Amplified Electret - 5720-CA), mush mouth microphone shield (11389P-09), and cable assembly terminated with a U-173/U.
This microphone can be used with modern General Aviation Aircraft.
This is a capacitor type microphone designed for use on a headband type headset or in use in a pressure type oxygen mask. The microphone is not waterproof and is intended to provide audio communications under high noise conditions found in military, civilian and general aviation aircraft.
The microphone is designed and constructed from quality durable high strength ABS plastic as well as corrosion resistant metals meeting or exceeding the environmental, durability and interchangeability requirements of RTCA/DO-214.
Baseline Performance Characteristics:
Color: Lusterless Black
Weight: Approximately 4.5 to 6.0 grams
Impedance: 150 ohms +/- 20 ohms
Distortion: 6% @ 114dB
Frequency response: 100Hz to 10,000Hz
Sensitivity at ground level: 86dB- 98dB @ 1.0 kHz/94dB input
Temperature range: -55C to +85C
Noise canceling: Min 15dB Max 25dB
Altitude compensation: 25,000ft
Supply voltage: 9-28V dc
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