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Crown CM311A Headworn Condenser Microphone
The CM-311A offers Differoid performance in a comfortable headworn package. The CM-311A is designed to meet the most demanding touring sound applications, with its electret condenser capsule providing full, clear, and distortion-free sound. Gain-before-feedback and isolation are exceptional. Lightweight, rugged, and comfortable, the headband and mic boom are adjustable to any vocalist. CM-311A includes battery/phantom powered belt pack. For Wired Applications Designed for touring and live-sound applications, the Crownฎ CM-311A is a rugged head-worn microphone with unequaled performance. It sounds like the best handheld microphones -- full, clear, and distortion-free, even with the loudest singers. The CM-311A is the latest version of the Crowns proprietary Differoidฎ technology. Its cardioid pickup pattern rejects sounds from the rear, such as floor monitors. Its noise-canceling ability rejects sounds at a distance, such as instruments on stage and crowd noise. This results in the CM-311A having outstanding gain-before-feedback and isolation. Lightweight and comfortable, the mic's headband and boom adjust to fit any singer. An included pop filter greatly reduces breath noise and pops. Because of the boom's unique behind-the-ear design, it does not cover up the singers face. The CM-311A is powered by a 9V battery or phantom power. It has a battery belt pack with an on/off switch, a programmable mic on/off switch, and a Mic On LED. To get the maximum performance out of this microphone, take the time to adjust it to fit correctly. For best results, the CM-311A MUST be custom fitted to a single users head. CM311A Headworn Condenser Microphone Specifications This is NOT a wireless system. It is a headworn microphone with belt pack. The belt pack connects to an XLR cable from your mixer preamp etc. Transducer Type: Electret condenser. Frequency Response (typical): 50 Hz to 17 000 Hz Polar Pattern: Cardioid Impedance: 75 ohms balanced Recommended Load Impedance: 1000 ohms or greater Open-Circuit Sensitivity typical close-talking: 4 mV/Pa* (48 dB re 1V/Pa) Power Sensitivity typical close-talking: 42.5 dB re 1 mW/Pa* *1 pascal = 10 dynes/cm2 = 10 microbars = 94 dB SPL Equivalent Noise Level (self noise): 26 dB SPL typical (0 dB = 0.0002 dyne/cm2) A-weighted. S/N Ratio: 68 dB at 94 dB SPL Maximum SPL: 148 dB SPL produces 3% THD Operating Voltage: 9V DC internal alkaline battery or 18-48V phantom power Polarity: Positive pressure on diaphragm produces positive voltage on CM-311A XLR pin 2 with respect to pin 3 Current Drain: 6.5 mA nominal Battery Life: 85 hours Off-Attenuation: 70 dB Output Connectors: 3-pin pro audio (XLR type) Cables: 2-conductor shielded unbalanced cable 42-inches (106.68 cm) from headband to battery pack. Use 2-conductor shielded mic cable (not included) between XLR connector and mixer mic input. Materials: High-impact plastic mic housing brass boom steel wire headband high-impact plastic and steel battery pack Finish: Satin black Net Weight: Head-worn mic 2.1 oz (61 g) CM-311A belt pack and battery 6.1 oz (173g) Dimensions: Headband 5.5-in. (13.97 cm) diameter adjustable Boom approximately 7 in. (17.78 cm) x 3 in. (7.62 cm) Included Accessories: Microphone carrying case WS-6 foam pop filter clothing clip Optional Accessories: PH-4B phantom power supply (4 channels AC powered). PH-1A phantom power supply (1 channel battery or Acadapter powered). WS-14 accessory windscreen ***Note: Users with petite heads may have to cut off extra headband material to get the headband to fit properly.
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Crown Crown CM311A Headworn Condenser Microphone Crown Add Comment or Question Write a review!
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