Audio-Technica U891RCx Cardioid Condenser Boundary Microphone with Local or Remote Switching  

Product #H71555

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Item Note:

This product has been discontinued but may be available as a Open Box item.

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Designed for sound reinforcement, conferencing, distance learning, and other applications.

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.


Features
  • An activation switch can be set to any of three operating modes: "touch-on/ touch-off," "touch-to-talk" and "touch-to-mute"
  • External contact closure capability permits control of remote devices from microphone switch
  • External LED control allows for accurate depiction of the live status of the microphone
  • PivotPoint rotating output connector allows cable to exit from either the rear or the bottom of the microphone
  • Small-diameter UniPoint capsule near boundary eliminates phase distortion and delivers clear, high-output performance
  • UniGuard RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
  • Heavy die-cast case and non-slip silicone foam bottom pads minimize coupling of surface vibration to the microphone
  • Low-profile design with low-reflectance finish for minimum visibility
  • Improved switch design
 

U891RCx Cardioid Condenser Boundary Microphone with Local or Remote Switching Specifications:

  • 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;
  • Flat, roll-off
  • Weight: 264 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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