Boundary "Button" Mic. The 220VP/220VPW is an inconspicuous, continuously-variable polar pattern, button-style, condenser boundary microphone designed for surface installation. Special attention has been given to design the 220VP to resist interference from cell phones, two-way communication, and other RF devices. The integral 80Hz, 12dB/octave high-pass filter removes unwanted low-frequency energy to improve intelligibility. The all metal, threaded body and shock-absorbing bushings make for easy installation in surfaces up to 3" thick. When mounted on a hard surface, the 220VP will take advantage of the boundary effect signal-to-noise ratio increase. The 220VP is terminated with a standard 3-pin XLRM-type connector recessed in the body of the microphone. The 220VP features a continuously-variable polar pattern so it can shorten the list of products an audio system designer needs to consider when boundary condenser microphones are specified. The installer can precisely tailor the polar pattern for the best performance depending upon the application or environment.The 220VP is primarily designed for speech and vocal pickup in governmental, institutional, religious and business applications.Features Continuously-variable polar pattern control Securable polar-pattern control All-metal housing suitable for commercial applications Mounting hardware included RF (radio frequency) resistant architecture Integrated high-pass filter for elimination of unwanted low-frequency energy Shock-absorbing polymer bushings included Inconspicuous design Included Accessories: two rubber bushings, hex nut and washer Specifications Operating Principle: Condenser Polar Pattern: Continuously-variable Frequency Response: 90Hz -17KHz Sensitivity: -32dBV (25mV) @ 1 Pa Impedance: 120 ohms Maximum SPL: 120dB, 1% T.H.D., 1KHz Self Noise: 18dBA Power Requirements: P12, P24, P48, 4mA Connector: 3-pin XLRM-type Polarity: Positive pressure on diaphragm corresponds to positive voltage on pin 2 relative to pin 3 at XLR3M-type connector Finish: Durable matte-black urethane Net Weight (Mass): 3.9oz [0.11Kg] Packaged Weight (Mass): 5.0oz [0.14Kg] RF Immunity: Meets or exceeds EN55103-2, E1, E2, E3 and E4 RoHS Compliant
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