Learn the Roanwell Story, the history of Roanwell, the capabilities, and location and information about Roanwell's quality system
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Products
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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Headsets
Roanwell's handsets continue to set the benchmark for functionality, performance and comfort.
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Handsets
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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Connectors
Roanwell can incorporate almost any connector into your design
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.
Conforms to:
MIL-PRF-26542 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.
Specifications
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