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  Crown MB-3 Miniature Supercardioid Boundary Microphone

Crown MB-3
Crown MB-3
 
List Price: $249.00
Our Price: $199.00


Availability: Usually Ships in 24 Hours
Product Code: 9999-02969

 

Crown MB-3 Miniature Supercardioid Boundary Microphone

Crown MB-3 Minature Supercardioid Boundary Microphone

Crown MB-3 Miniature Supercardioid Boundary Microphone Details

Crown MB-3 Miniature Supercardioid Boundary Microphone is designed 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 Crown MB-3 Miniature Supercardioid Boundary Microphone greatly reduces ambient noise and pickup of room reverberation. The result is a clearer, more intelligible sound. On the bottom of Crown MB-3 Miniature Supercardioid Boundary Microphone 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.


Crown MB-3 Miniature Supercardioid Boundary Microphone 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

Crown MB-3 Miniature Supercardioid Boundary Microphone Specifications


  • Manufacturer: Crown
  • Product: MB-3 Miniature Supercardioid Boundary Microphone
  • Type: Phase Coherent Cardioid
  • Element: Electret condenser
  • Frequency Response(Typical): 50 Hz to 15,000 Hz
  • Polar Pattern: Half-supercardioid (supercardioid in the hemisphere above the primary boundary)
  • Impedance: 150 ohms, balanced (recommended load impedance 1000 ohms or greater)
  • Open-Circuit Sensitivity(Typical): 22 mV/Pa* (""33dB re 1 volt/Pa)
  • Power Sensitivity: ""30.5 dB re 1 mW/Pa*. EIA rating ""125 dBm
  • Equivalent Noise Level(Self-noise): 22 dB SPL typical (0 dB=0.0002 dyne/cm2), A-weighted
  • Signal to Noise Ratio: 72 dB at 94 dB SPL
  • Maximum SPL: 120 dB SPL at 3% THD
  • Operating Voltage: Phantom power, 12-48 volts DC on pins 2 and 3 with respect to pin 1 of output connector
  • Current Drain: 4 mA nominal
  • Connector: 3-pin pro audio, XLR-M type
  • Materials: High-impact molded plastic and steel mesh mic grille, steel chassis
  • Finish: Satin black
  • Net Weight: 2.7 ounces (78 grams)
  • Operating Temperature Range: ""10 to 50 C, or 14 to 122 F

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