Electret Mic (Flex - M-77)

• Low Cost - Highest Quality Gauranteed!
• Noise Cancelling up to 25 dB !
• Field Replacable
• Fits Wire Style Boom Headsets
• Requires BIAS voltage (Not for use with General Aviation Aircraft)

Fits all of David Clark Electret FLEX Boom Style Headsets

This microphone can be used with Computer, Portable Radios, Fireman, Cell Phone, and Motorcycle Headsets and Helmets.

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: 1000 ohms +/- 100 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: BIAS Voltage
For additional product specifications or more information, please click Contact Us under the Information Tab to the left.

Cross Reference Part Numbers:

• Acousticom - 5740-CA