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CROWN PZM Mic with Tubular Housing for Ceiling, Wall

Print CROWN PZM Mic with Tubular Housing for Ceiling, Wall pageRequest Bulk Pricing CAMCOR ITEM NO. 268009951 | MFG. PART NO. PZM-10LL
CROWN PZM Mic with Tubular Housing for Ceiling, Wall
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MSRP: $259.00
Savings: $60.00

Your Price: $199.00
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Product Highlights
The Crown PZM-10 and PZM-10LL, part of the Pressure Zone Microphone line, are designed for security, surveillance, and conference-table use. Since they do not look like microphones, they are ... More

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Product Description

The Crown PZM-10 and PZM-10LL, part of the Pressure Zone Microphone line, are designed for security, surveillance, and conference-table use. Since they do not look like microphones, they are inconspicuous. Each mics tubular housing mounts in a 25/32-inch diameter hole in a ceiling panel, wall or table.

The PZM-10LL has a line-level output from its unterminated cable. It requires 12 to 24V DC.

Like other Pressure Zone Microphones, the PZM-10 and PZM-10LL use a miniature mic

capsule mounted very near a sound-reflecting plate or boundary, in the Pressure Zone. In this

zone, direct sound from the sound source combines in phase at all frequencies with reflected sound off the boundary. The benefits are many: 6 dB more sensitivity, 6 dB less noise, a wide smooth frequency response free of phase interference, excellent clarity and reach, and consistent pickup anywhere around the mic.

Frequencies below the voice range are rolled off to reduce pickup of air conditioning rumble.

The high-frequency response is boosted slightly to help articulation. Because of their tailored response and PZM construction, the PZM-10 and PZM-10LL will pick up conversations or other desired sounds with extra clarity and definition.

The output is balanced, low impedance, which allows long cable runs without hum pickup or high-frequency loss. The mics humbucking transformer and steel case prevent hum pickup, even near fluorescent lights.

Product Features
  • Pressure Zone Microphones for security and surveillance.
  • Clear, intelligible pickup of speech.
  • Line-level output
  • Inconspicous, resembles a light switch.
  • PZM-10LL powered by 12-24V DC.

Specifications

Specifications
Transducer type Electret condenser.
Frequency response (typical) 100 Hz to 20,000 Hz.
Polar pattern Hemispherical
Impedance 75 ohms, balanced. Recommended minimum load impedance 1000 ohms
Open circuit sensitivity 1.4V/Pa* (+3 dBV/Pa)
Power sensitivity +8 dBm/Pa*
Equivalent noise level (self-noise) 26 dB SPL typical (0 dB = .0002 dyne/cm2), A-weighted.
S/N Ratio 68 dB at 94 dB SPL.
Maximum SPL 120 dB SPL produces 3% THD
Operating voltage 12 to 24V DC, positive voltage on red lead with respect to shield.
Polarity Positive pressure on the diaphragm produces a positive voltage on white lead with respect to black lead.
Current drain 2.8 mA at 12V DC, 4.22 mA at 24V DC.
Output connectors None.
Cable 12-in., permanently attached 3-conductor shielded cable. Red: B+, White: audio+, Black: audio-, Shield: ground.
Materials Steel plate and housing.
Finish Off-white. May be painted any color; take care to first seal the opening between the capsule and boundary plate.
Net weight 3.3 oz. (93.9 g).
Footnote
(*) 1 pascal = 10 dynes/cm2 = 10 microbars = 94 dB SPL.

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