Crown PZM11LL
Crown PZM11LL Description:
Same as the PZM-11, except that the PZM-11LL features line-level output and is powered by 24VAC, 12-24VDC, or phantom power.
The Crown® PZM®-11 and PZM-11LL are Pressure Zone Microphone®s designed for conference-room applications. They can be mounted in the ceiling or wall in a standard electrical outlet box. Providing excellent intelligibility, the PZM-11 and PZM-11LL are designed to look like something other than a microphone so as not to draw attention. The PZM-11 has a mic-level output and is powered by 12 to 48 volts 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. A factory modified version for direct phantom power is available as the PZM-11LLS2.
Like other Pressure Zone Microphones, the PZM-11and PZM-11LL utilize the Pressure Recording Process™ 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-11and PZM-11LL, low frequencies below the voice range are rolled off to reduce pickup of air-conditioning rumble. The highfrequency 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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