Audio-Technica U851R Cardioid Condenser Boundary Microphone

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SKU: U851R Category:

Featuring breakthrough audio and mechanical design innovations, the Audio-Technica U851R phantom-powered 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 Audio-Technica U851R is equipped with self-contained electronics, eliminating the need for an external power module.

Features
• Ideal for sound reinforcement, professional recording and conferencing
• PivotPoint® rotating output connector
• Superior off-axis rejection for maximum gain before feedback
• Outstanding rejection of radio frequency interference (RFI)
• Small-diameter UniPoint capsule near boundary
• Available in two colors: black (U851R) and white (U851RW)

Element Polarized condenser
Polar Pattern Half-cardioid (cardioid in hemisphere above mounting surface)
Frequency Response 30 – 20,000 Hz
Open Circuit Sensitivity -34 dB (19.9 mV) re 1V at 1 Pa
Impedance 200 ohms
Maximum Input Sound Level 134 dB, 1 kHz at 1% T.H.D.
Low Frequency Roll Off 80 Hz, 18 db/octave
Switches Flat, roll-off
Dynamic Range 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
Weight 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
Accessories Included Soft protective pouch
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