About Roanwell Corporation
Learn the Roanwell Story, the history of Roanwell, the capabilities, and location and information about Roanwell's quality system
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Roanwell Corporation is a leading designer and audio manufacturer of acoustic headsets, handsets, microphones, earphones cords, cables and accessories for military and commercial applications.
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Roanwell's handsets continue to set the benchmark for functionality, performance and comfort.
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Roanwell designs and manufactures rugged, reliable handsets for all your communication needs
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Roanwell Microphones
Roanwell makes: carbon, electret or dynamic microphones with or without amplifier.
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Handheld Microphones
Transportable precise communications when and where you need it
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Roanwell can incorporate almost any connector into your design
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Type 216 (M-87/AIC) Microphone

The Type 216 (M-87/AIC) is a close-talking, noise-canceling (18dB), boom-mounted microphone. Developed specifically for military use, this microphone is also available for commercial applications.



Roanwell P/N:
216-030-001-603 (Black)
216-030-001-694 (Grey)
216-030-001-640 (Olive Drab)

Conforms to:
Intended use: This is a noise-canceling dynamic microphone designed for use on a headband type headset at low altitudes or for use in a pressure type oxygen helmet, and at altitudes where the use of an oxygen helmet is required. The microphone is intended to provide communication under the noise conditions encountered in military and civilian aviation aircraft.


Impedance: 4.0 ohms to 6.0 ohms.
Resistive load: 5 ohms.
Frequency Response: 200 – 6000 Hz
Sensitivity at ground level: 34.0dB – 40.98dB (re 1µV) or 50.4µV – 112.0 µV with a Sound Pressure Level (SPL) input of 2.8 Pascal’s (28 dynes/cm2 ) at 1 kHz
Sensitivity at 25000ft: Within ± 3 dB of initial ground level sensitivity
Noise Canceling: 18 dB Noise Canceling


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