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Audio Technica U851R Cardioid Condenser Boundary Microphone

Print Audio Technica U851R Cardioid Condenser Boundary Microphone pageRequest Bulk Pricing CAMCOR ITEM NO. 215009743 | MFG. PART NO. U851R
Audio Technica U851R Cardioid Condenser Boundary Microphone
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Product Highlights
Audio Technica U851R Cardioid Condenser Boundary Microphone Featuring breakthrough audio and mechanical design innovations, the phantom-powered U851R offers outstanding speech intelligibility and ... More

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Product Description

Audio Technica U851R Cardioid Condenser Boundary Microphone

Featuring breakthrough audio and mechanical design innovations, the phantom-powered U851R offers outstanding speech intelligibility and transparent sound quality for surface-mount applications. The microphone is equipped with a PivotPoint™ rotating output connector, UniSteep® filter and UniGuard™ RFI-shielding technology. It accepts interchangeable condenser elements—available for boundary microphones in cardioid, hypercardioid and omnidirectional polar patterns. With a heavy die-cast case and silicon foam bottom pads to minimize coupling of surface vibration to the microphone, the U851R is equipped with self-contained electronics, eliminating the need for an external power module.

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Product Features
  • Designed for surface-mount applications such as high-quality sound reinforcement, professional recording, television, conferencing and other demanding sound pickup situations
  • 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)
  • Self-contained electronics eliminate need for external power module
  • 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

Specifications

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 134 dB SPL, 1 kHz at 1% T.H.D.
Dynamic Range (typical) 108 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
Switch Flat, roll-off
Weight 9.2 oz (262 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
Cable 25.0' (7.6 m) long, 0.13" (3.2 mm) diameter, 2-conductor, shielded cable with TA3F and XLRM-type connectors
Optional Interchangeable Elements UE-H hypercardioid (100°);
UE-O omnidirectional (360°)
Accessory Furnished Soft protective pouch

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