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David Clark M-7/DC Electret Noise-Cancelling Microphone | 09168P-31
The David Clark M-7/DC is an OEM electret microphone designed for aviation headsets using wire booms. It replaces carbon and amplified dynamic mics, delivering clear, reliable voice transmission with effective noise cancellation in high-noise environments.
Key Features & Benefits
Noise-cancelling electret element – Reduces ambient cockpit noise for clearer voice communication.
Replaces older mic types – Compatible with carbon and amplified dynamic microphone systems.
Requires DC bias voltage – Will not operate without a compatible power supply; check with your avionics manual or shop.
Intended for wire boom use – Specifically designed to fit headsets with wire boom microphone supports.
Clear, crisp transmission – Engineered for precise, intelligible communication in general and commercial aviation.
Detailed Product Description
The 09168P-31 M-7/DC Microphone is an electret, noise-cancelling microphone intended for aviation headsets utilizing a wire boom. As a direct replacement for older carbon and amplified dynamic microphones, it provides modern clarity and durability. This microphone requires a DC bias voltage, which is standard on most modern aircraft radios. However, pilots should confirm compatibility with their specific communication system or consult an avionics professional.
Ideal for headset upgrades or replacements, the M-7/DC offers OEM performance and is built to withstand the demands of high-noise aviation environments, making it a trusted component among pilots and aircraft service technicians.
Technical Specifications
Specification
Details
Part Number
09168P-31
Model
M-7/DC
Microphone Type
Electret, noise-cancelling
Compatibility
Replaces carbon and dynamic microphones in wire boom setups
Power Requirement
Requires DC bias voltage (check radio compatibility)
Used 7 on heavily oxidized Airstream. Sanded off oxidation. Presto changeo, an almost mirror-like finish. Will stick with Nuvite. Important to follow instructional video.
This is an amazing aid to my fisning. Something serious inland fishermen should have. My only regret is that I didn't have this over the last 20 years.
