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Crown MB3 Miniature supercardioid boundary microphone

Crown MB3 Miniature supercardioid boundary microphone


 
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List Price: $249.00
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Product Code : MB3
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Description
 
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Crown MB3 Miniature supercardioid boundary microphone


MB3 Miniature supercardioid boundary microphone, Crown Microphones

The Crown MB3 is a miniature boundary microphone for multi-miking applications such as teleconferencing, distance learning, boardrooms, courtrooms, and security applications. This low-profile, circular mic permanently installs into a hole drilled in a table, lectern, or ceiling.

Thanks to its supercardioid pickup pattern, the MB3 greatly reduces ambient noise and pickup of room reverberation. The result is a clearer, more intelligible sound.

On the bottom of the mic is a tubular power module with a 3-pin XLR-type output connector. It is powered by 12-48V phantom power, and has a low-impedance balanced mic-level output.

Features

  • Ideal for teleconferencing, distance learning, boardrooms, courtrooms and security
  • Small and inconspicuous
  • Installs permanently in a table top, wall or ceiling
  • Half-supercardioid polar pattern reduces pickup of background noise, room acoustics and feedback
  • On-surface mounting eliminates phase interference from table sound reflections, giving a natural sound

Specifications

  • Element: Electret condenser
  • Frequency Response (typical): 50 Hz to 15,000 Hz at 30 degrees incidence to surface
  • Polar Pattern: Half-supercardioid (supercardioid in the hemisphere above the primary boundary)
  • Impedance: 150 ohms balanced
  • Recommended Load Impedance: 1000 ohms
  • Open-circuit sensitivity: 22 mV/Pa (-33 dB re 1V/Pa)
  • Power Sensitivity: -30.5 dB re 1 mW/Pa; EIA rating -125 dBm
  • Equivalent noise level (self noise): 22 dB SPL typical, A-weighted
  • S/N Ratio: 72 dB at 94 dB SPL
  • Max SPL for 3% THD: 120 dB
  • Operating Voltage: 12 to 48V DC phantom power, positive on pins 2 and 3 with respect to pin 1 output connector
  • Output connector: 3-pin pro audio, XLR-M type
  • Cable: None supplied. Use two-conductor shielded mic cable
  • Current Drain: 4 mA nominal
  • Materials: High-impact molded plastic and steel mesh mic grille, steel chassis
  • Finish: Satin black
  • Dimensions (Height x Max Diameter): 3.324" x .974"
  • Weight: 2.7 oz


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