Discover Audio-Technica U851A Cardioid Condenser Boundary Microphone

By: Audio-Technica

Model: U851A

Sku: BJA686G6L5

Availability: Out of stock New

Availability: Out of stock

  • 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: Phantom: –40 dB (10.0 mV) re 1V at 1 Pa, Battery: –41 dB (8.9 mV) re 1V at 1 Pa
  • IMPEDANCE: Phantom: 200 ohms, Battery: 270 ohms
  • MAXIMUM INPUT SOUND LEVEL: Phantom: 133 dB SPL, 1 kHz at 1% T.H.D., Battery: 123 dB SPL, 1 kHz at 1% T.H.D.
  • DYNAMIC RANGE (typical): Phantom: 111 dB,1 kHz at Max SPL, Battery: 101 dB, 1 kHz at Max SPL
  • SIGNAL-TO-NOISE RATIO: 72 dB, 1 kHz at 1 Pa
  • PHANTOM POWER REQUIREMENTS: 11-52V DC, 2 mA typical
  • BATTERY TYPE: 1.5V AA/UM3
  • BATTERY CURRENT / LIFE: 0.4 mA / 1200 hours typical (alkaline)
  • SWITCH: Off, on-flat, on-roll-off
  • OUTPUT CONNECTOR (POWER MODULE): Integral 3-pin XLRM-type
  • CABLE: 25.0' (7.6 m) long (permanently attached to microphone), 0.13" (3.2 mm) diameter, 2-conductor, shielded cable with TA3F-type connector
  • OPTIONAL INTERCHANGEABLE ELEMENTS: UE-H hypercardioid (100°);UE-O omnidirectional (360°)
  • ACCESSORIES FURNISHED: AT8531 power module; battery; soft protective pouch
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  • 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 silicone 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

In the Box

  • Audio-Technica U851A Cardioid Condenser Boundary Microphone
  • AT8531 Power Supply
  • Battery
  • Soft Protective Pouch