Audio-Technica U851A
Omnidirectional Boundary Microphone
Offering outstanding Audio-Technica sound for surface-mount applications, the U851A features a PivotPoint™ rotating output connector, UniSteep® filter and UniGuard™ RFI-shielding technology. This battery- or phantom-powered condenser microphone accepts interchangeable condenser elements—available for boundary microphones in cardioid, hypercardioid and omnidirectional polar patterns. Its heavy die-cast case and silicon foam bottom pads minimize coupling of surface vibration to the microphone. With superior off-axis rejection and maximum gain-before-feedback, this professional microphone sets audio-quality standards in challenging acoustic environments.
- 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)
- UniSteep® filter provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality
- 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 black finish for minimum visibility
- Operates on battery or phantom power
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Specifications
Frequency Response - OmnidirectionalClick Graph to Compare! |
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Pickup Patterns |
Pads & Filters |
Omnidirectional
(10 mV/Pa; 30 - 20,000 Hz)
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Capsule Dimensions |
Impedance |
SPL/Noise |
n/a |
200 Ohms (Low) |
Max SPL: 133 dB Self-noise: 22.0 dB(A) |
Weight |
Length |
Max Diameter |
Interface(s) |
244g (8.61oz) |
108mm (4.25'') |
84mm (3.31'') |
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Power Specifications |
- Requires phantom power
- Has battery compartment (1.5V AA/UM3)
- Phantom voltage: 11-52v
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