Additional information
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Audio TechnicaAudio TechnicaOverview
The phantom-powered U851Rb condenser boundary microphone offers outstanding speech intelligibility and transparent sound quality for surface-mount applications such as high-quality sound reinforcement, professional recording, television, conferencing, and other demanding sound pickup situations. The microphone is equipped with a PivotPoint® rotating output connector, UniSteep® filter, and UniGuard® RFI-shielding technology. It accepts interchangeable condenser elements – omnidirectional (360°), cardioid (120°), and hypercardioid (100°) – available separately. With a heavy die-cast case and silicon foam bottom pads to minimize coupling of surface vibration to the microphone, the U851Rb is equipped with self-contained electronics, eliminating the need for an external power module. Threaded inserts on the bottom of the microphone allow it to be mounted with screws for increased security.
Available configurations:
U851Rb: cardioid polar pattern (120° acceptance angle); 25.0′ (7.6 m) cable with TA3F connector at the microphone and XLRM output connector; black finish.
U851RWb: cardioid polar pattern (120° acceptance angle); 25.0′ (7.6 m) cable with TA3F connector at the microphone and XLRM output connector; white finish.
U851RbO: omnidirectional polar pattern (360° acceptance angle); 25.0′ (7.6 m) cable with TA3F connector at the microphone and XLRM output connector; black finish.
Microphones
| Element | Fixed-charge back plate, permanently polarized condenser |
| Frequency Response | 20-20,000 Hz |
| Low Frequency Roll Off | 80 Hz, 18 dB/octave |
| Open Circuit Sensitivity | -34 dB (19.9 mV) re 1V at 1 Pa |
| Maximum Input Sound Level | 134 dB SPL, 1 kHz at 1% T.H.D. |
All Audio-Technica products are backed by a 1-Year Manufacturer Warranty covering manufacturing defects under normal usage conditions.
We offer a 7-Day Replacement Policy for products received in damaged, defective, or incorrect condition.
For any warranty or return assistance, please contact our support team with your order ID and invoice details.
