AKG / Crown MB4 Miniature Supercardioid Boundary Microphone

Dale #:
AKG-3335H00010
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The Crown® MB-4 is a miniature boundary microphone for multi-miking applications such as teleconferencing, distance learning, boardrooms, courtrooms, and TV or theatrical applications. Double-sided sticky tape is provided for attaching the unit under shelves, on walls, etc. Thanks to its supercar... Read More

Retail Price: $286.91 Our Price: $225.00

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Features:

Ideal for teleconferencing, distance learning, boardrooms and courtrooms
Has a 15-foot attached cable leading to an XLR-type output connector with built-in mic electronics
Half-supercardioid polar pattern reduces feedback, room acoustics and background noise
Clear, natural sound
Small and inconspicuous

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Type	Phase Coherent Cardioid
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 or greater)
Open-circuit sensitivity (typical)	22 mV/Pa* (–33 dB 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
S/N ratio	72 dB at 94 dB SPL
Maximum SPL	120 dB SPL at 3% THD
Polarity	Positive (inward) pressure on the diaphragm produces positive voltage on pin 2 with respect to pin 3
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-type
Materials	High-impact molded plastic and steel mesh mic grille, steel power module
Finish	Satin black
Net weight	Microphone: 0.7 ounces (19.8 grams). Power module: 2.8 ounces (78.6 grams).
Included accessories	Double-sided tape for fastening under shelves, etc., for theatrical applications
Optional accessories	PH-1A phantom power supply (1 channel, battery or DC-adapter powered)

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