AKG 3340H00010 PZM11 LL Professional Flush-Mount Boundary Layer Microphone
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Description & Features+
The Crown PZM11LL is a Pressure Zone Microphone designed for conference-room, security and surveillance applications. It can be mounted in the ceiling or wall in a standard electrical outlet box. Providing excellent intelligibility, the PZM-11LL is designed to look like a light switch so as not to draw attention. The PZM-11LL has a mic level output and is powered by 12-48V phantom power. The PZM-11LL has a line-level output and can be powered by 24V AC, 12-24V DC, or 12-48V phantom power. Since the PZM-11LL has a high output, it can be plugged directly into a VCR line input-no costly mic preamp is needed. To phantom power the PZM-11LL, a modification will have to be made to the electronics module. Like other Pressure Zone Microphones, the PZM-11LL utilizes the Pressure Recording ProcessTM in which a miniature condenser microphone capsule is mounted very close to a sound-reflecting plate or boundary. The capsule is mounted in the "Pressure Zone" just above the boundary, a region where sound coming directly from the sound source combines in-phase with sound reflected off the boundary. The benefits are a wide, smooth frequency response free of phase interference, excellent clarity and "reach," and consistent pickup anywhere around the microphone. In the PZM-11LL, low frequencies below the voice range are rolled off to reduce pickup of air-conditioning rumble. The high frequency response is boosted slightly to aid clarity and articulation. The microphone connector is a row of screw terminals for easy installation. The output is balanced, low impedance, which allows long cable runs without hum pickup or high-frequency loss.
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