audio-technica U891RCX Cardioid Condenser Boundary Microphone With Local Or Remote Switching

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Category: audio-technica, Pro-Audio-Installation-Sound-Boundary


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A wide range condenser microphone with a cardioid polar pattern, the U891RCx is equipped with local or remote switching options. For flexible control in conference and boardroom installations, the unit’s external contact closure ability allows a user to trigger an external device—a camera, for instance—from a switch on the microphone. Another ease-of-use feature: the microphone’s activation switch can be set to three operating modes: touch-on/touch-off, press to talk, and press to mute. The mic is also equipped an 80 Hz low-cut UniSteep® filter to reduce pickup of low-frequency ambient noise. Its red LED status indicator can be controlled remotely. UniGuard® innovations offer unsurpassed immunity from radio frequency interference; interchangeable elements are available in cardioid, hypercardioid and omnidirectional polar patterns; a unique rotating PivotPoint® connector changes the cable exit point—no tools required. It requires 11 to 52V DC phantom power, which operates the microphone and switch circuitry.

ELEMENT Fixed-charge back plate, permanently polarized condenser

POLAR PATTERN Half-cardioid 

(cardioid in hemisphere above mounting surface)

FREQUENCY RESPONSE 30-20,000 Hz

LOW FREQUENCY ROLL-OFF 80 Hz, 18 dB/octave

OPEN CIRCUIT SENSITIVITY –34 dB (19.9 mV) re 1V at 1 Pa

IMPEDANCE 200 ohms

MAXIMUM INPUT SOUND LEVEL 130 dB SPL, 1 kHz at 1% T.H.D.

DYNAMIC RANGE (typical) 104 dB, 1 kHz at Max SPL

SIGNAL-TO-NOISE RATIO 68 dB, 1 kHz at 1 Pa

PHANTOM POWER REQUIREMENTS 11-52V DC, 4 mA typical

SWITCHES Activation: on/off; Switch function: press 

on/off, momentary on, momentary off; 

Control: local, remote, LED remote; Flat, 

roll-off

WEIGHT 266 g (9.4 oz)

DIMENSIONS 108.0 mm (4.25") maximum length, 

84.0 mm (3.31") maximum width, 

23.0 mm (0.91") maximum height

OUTPUT CONNECTOR TB5M-type

CABLE 7.6 m (25.0') long, 3.2 mm (0.13") diameter, 5-conductor shielded cable (2 conductors under shield; 3 control wires outside shield); TA5F-type connector at microphone end, output end stripped and tinned for connection to electronic device

OPTIONAL INTERCHANGEABLE ELEMENTS UE-O omnidirectional (360°) 

UE-H hypercardioid (100°)

ACCESSORY FURNISHED Soft protective pouch

 

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