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Product 275155

Audio-Technica U891R UniPoint Cardioid Condenser Boundary Microphone with Switch

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Designed to deliver easy, flexible control in conference and boardroom installations, the versatile U891R cardioid condenser boundary microphone from...Click To Read More About This Product

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OVERVIEW

Very versatile both in application and operation.

Designed to deliver easy, flexible control in conference and boardroom installations, the versatile U891R cardioid condenser boundary microphone from Audio-Technica features a touch-sensitive on-off switch that can be set to three modes: press-on/press-off, press to talk, and press to mute. The phantom-powered boundary microphone is equipped with a unique PivotPoint rotating output connector and an LED status indicator. UniGuard innovations offer unsurpassed immunity from radio frequency interference, and an 80 Hz low-cut UniSteep filter reduces pickup of low-frequency ambient noise. The microphone's heavy die-cast case and silicon foam bottom pads minimize coupling of surface vibration to the microphone. The plate mic's self-contained electronics eliminate the need for an external power module.

FEATURES
  • Designed for surface-mount applications such as high-quality sound reinforcement, professional recording, television, conferencing and other demanding sound pickup situations
  • Ultra-quiet electronic switch can be set to any of three operating modes: "touch-on/ touch-off," "touch-to-talk" and "touch-to-mute"
  • PivotPoint rotating output connector allows cable to exit from either the rear or the bottom of the microphone
  • Superior off-axis rejection for maximum gain before feedback
  • UniGuard RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
  • Small-diameter UniPoint capsule near boundary eliminates phase distortion and delivers clear, high-output performance
  • Heavy die-cast case and non-slip silicon foam bottom pads minimize coupling of surface vibration to the microphone
  • Low-profile design with low-reflectance finish for minimum visibility

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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, 2 mA typical
  • Switch: Touch-sensitive control: on/off;
  • Switch function: touch on/off, momentary on, momentary off; Flat, roll-off
  • Weight: 9.3 oz (264 g)
  • Dimensions: 4.25" (108.0 mm) long, 3.31" (84.0 mm) maximum width, 0.91" (23.0 mm) height
  • Output Connector: TB3M-type
  • Optional Interchangeable Elements: UE-H hypercardioid (100); UE-O omnidirectional (360)
  • Accessories Furnished: AT8122 foam windscreen; AT8405a stand clamp for 5/8"-27 threaded stands; soft protective pouch
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