Audio Technica U851A Cardioid Condenser Boundary Mic

The Audio Technica U851A is a condenser boundary mic with cardioid pickup. This mic operates on battery or phantom power. Features UniGuard RF protection from interference.

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.

Features

• 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

Model:  2540
Manufacturer:  Audio-Technica
Mic Type:  Condenser
Polar Pattern:  Half-Cardioid
Frequency Response (Hz):  30-20,000
Sensitivity (mV/Pa):  -40
S/N Ratio dB(A):  72
Impedence (Ohm):  200 (Phantom) 270 (Battery)
Maximum SPL (dB):  133 (Phantom) 123 (Battery)
Power Requirements:  11 to 52 V phantom power or 1.5V battery pack
Connection:  XLR 3-Pin
Application:  Boardroom, Altar
Weight:  262g
High-Pass Filter (Hz):  80
Included Accessories:  Power Module, Battery, Pouch
Cable Length (m):  7.6m
Cable Type:  Fixed
RFI Protection:  Yes

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