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CAD Audio 201R Miniature Cardioid Condenser Button Style Boundary Microphone
RF Resistant Cardioid Condenser Mini-Boundary Microphones Miniature installation cardioid "button" style condenser boundary mics for use in teleconferencing or voice lift sound reinforcement. Also may be used in surveillance, ambient recording or audio observation applications. Improved RF immunity to greatly reduce susceptibility to radio interference from GSM based cell phones, PDA/cell phones, cell phones with walkie-talkie capability and other similar devices.
Features:
RF resistant design
Low profile mounting in panels, table tops, walls or ceilings
Hemi cardioid directional pick-up pattern
Dual surface and bottom shock isolation bushings
Low noise transformerless electronic design
13/16" (20mm) threaded diameter with mounting hardware
Conforms to RoHS
Specifications:
Operating Principle: Electret Condenser
Polar Pattern: Cardioid
Frequency Response: 100Hz - 15kHz
Sensitivity: -36dBV (16mV) @ 1Pa
Impedence: 150ohms
Self Noise: 29dBA
Max SPL: 129dB, 1% THD
Power Requirements: P12, P24, P48, 2.4 mA
