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HomePilot ShopPilot SuppliesAccessoriesDavid Clark Headset MicrophonesDavid Clark 18376G-02 M-7/DC Amplified Electret Microphone - Retrofit Kit
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David Clark 18376G-02 M-7/DC Amplified Electret Microphone - Retrofit Kit
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David Clark 18376G-02 M-7/DC Amplified Electret Microphone - Retrofit KitDavid Clark 18376G-02 M-7/DC Amplified Electret Microphone - Retrofit Kit

David Clark 18376G-02 M-7/DC Amplified Electret Microphone - Retrofit Kit

Availability: Ready to Ship in 3 Business Days
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Part#: 18376G-02
by David Clark
Our Price: $99.95
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This Retrofit Kit allows you to upgrade your older model headset (H10-40, H10-30 etc…) microphones with our M-7/DC Amplified Electret Microphone which is the latest in microphone technology. Easy to install because you do not have to change the Boom Assembly.

This Electret Microphone is a noise canceling type designed to operate in place of carbon and amplified dynamic microphones. It will not operate in circuits that do not supply a DC bias voltage. Most modern aviation communications equipment do supply this required voltage. If unsure, consult with your radio technical manual or with your local avionics shop.

NOTE
We strongly recommend that the master gain control located within the radio be optimized by a competent avionics technician whenever adding a new model microphones are designed to conform to guidelines set forth by The Radio Technical Commission for Aeronautics. Document NO. RTCA/DO-170.
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Product Details
Shipping Weight : 0.5 pounds
Manufacturer P/N : 18376G-02
Specifications
  • DC Supply voltage and source resistance: 8 to 16 volts, ee0 to 2200 ohms-not polarity sensitive.
  • Output voltage, 1000 HZ for 114 dB SPL (re:.002 microbar) input, as a function of DC source resistance and AC input impedance.*Note-Electrical specifications are given for two earphones wired in parallel.

  • Frequency Response: designed for optimum speech intelligibility and noise cancellation.
  • Ambient noise level: Communications can be carried on in noise levels up to 120 dB SPL(re:.0002 microbar) with adequate signal to noise ratio. Microphone must be zero to 1/8" from lips at corner of mouth for best signal to noise ratio (maximum noise cancellation).
  • Dimensions: 3/4x4-1/64x1-27/32 (19x16x47mm).
  • Weight: 0.2 oz (5.6 grams)
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