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Microphones

Microphones

U843R

Three-Element Multidirectional Boundary Microphone
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With three cardioid condenser elements in a single housing, the phantom-powered U843R offers a remarkably versatile tool for surface-mount installations. Levers on the microphone base allow easy reorientation of two elements to offer 360° or 300° coverage. Since elements can be powered and used individually or in any combination, further flexibility is easily achieved. For example, with two elements powered, the microphone can provide a figure-of-eight polar pattern; with a single element powered, the microphone functions as a standard cardioid boundary microphone. Installation and repositioning are extremely quick, thanks to four recessed pathways on the base of the microphone that enable the user to route the cable as required to accommodate any installation requirements; no tools or disassembly are needed. The microphone also offers Audio-Technica’s innovative UniGuard® RFI-shielding technology.

Specifications

Element Fixed-charge back plate, permanently polarized condenser
Polar Pattern Hemispherical Cardioid x3 (combine to omni-directional or bidirectional)
Frequency Response 70 - 16,000 Hz
Open Circuit Sensitivity -37 dB (14.1 mV) re 1V at 1 Pa
Impedance 100 ohms
Maximum Input Sound Level 134 dB SPL, 1 kHz at 1% T.H.D.
Switches The lever of elements can adjust the proper position
Dynamic Range 105 dB, 1 kHz at Max SPL
Signal-to-Noise Ratio 65 dB, 1 kHz at 1 Pa
Phantom Power Requirements 11-52V DC, 2 mA typical
Weight (Less Cable) 160 g
Dimensions 20.0 mm - height ; 85.0 mm – maximum body diameter
Cable 7.6 m long (permanently attached to microphone), 4 mm diameter, 6 conductor, shielded cable; output end stripped and tinned for connection to electronic device
Accessories Soft protective pouch

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