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BM-111

Wired Boundary Microphone

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BM-111

Product Description Technical Specifications

Product Description

The BM-111 is a capacitive interface microphone. It is designed for ceiling or desktop fixed installation. All microphones have good RF shielding effect, which can effectively isolate the RF interference of various wireless communication devices (such as mobile phones).

Technical Specifications

Item model number: BM-111 Radio head: backplane polarized electrostatic capacitive type Pointing characteristics: hemispherical (unidirectional)

Frequency Response: 80-18,000 Hz

Turn-on sensitivity: 18 mV/Pa =-34.4 dBV

Output impedance:<200 ohms

Maximum withstand sound pressure: 106 dB [SPL@1%THD]

Signal-to-noise ratio: 68dB, 1KHz at 1Pa

Noise voltage: 6.0 μV [A]

Phantom Power: DC 12-52V

Current consumption: 4mA (typ.)

Output connector: built-in 3-pin XLR male

Weight: about 95g (including nut and rubber ring)

Volume: Length: 75mm Width: 20mm (copper tube), 39.5mm (microphone ring)

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