Audio-Technica U851R 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
Available in two colors: black (U851R) and white (U851RW)
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: 108 dB, 1 kHz at Max SPL
Signal to Noise Ratio: 68 dB, 1 kHz at 1 Pa
Phantom Power Requiremens: 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
Equipment available to buy from this site is for professional use only. Please note in certain countries some products listed may not be available from A.C. Entertainment Technologies Ltd.
E&OE. Information is subject to change without notice. The rights and ownership of all trademarks are recognised.