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Audio-Technica U851R Cardioid Condenser Boundary Microphone

Audio-Technica U851R Cardioid Condenser Boundary Microphone
 
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List Price: $300.00
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Mfg Model SKU U851R
UPC Code 042005139149
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Product Code : U851R
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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.
  • 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

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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