The Crown PZM-10LL is designed for security, surveillance, and conference-table use. Sincy they do not look like microphones, they are inconspicuous. Each mic’s tubular housing mounts in a 25/32″ 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.
Transducer Type: Electret condenser
Frequency Response (typical): 100 Hz to 20,000 Hz
Polar Pattern: Hemispherical
Impedance: 75 ohms balanced
Recommended Load Impedance: 1000 ohms
Open-circuit sensitivity: 1.4 mV/Pa (+3 dB re 1V/Pa)
Power Sensitivity: +8 dBm/Pa
Equivalent noise level (self noise): 26 dB SPL typical, A-weighted
S/N Ratio: 68 dB at 94 dB SPL
Max SPL for 3% THD: 120 dB
Operating Voltage: 12 to 24V DC, positive voltage on red lead with respect to shield
Output connector: None (unterminated)
Current Drain: 2.8 mA at 12V DC, 4.22 mA at 24V DC
Cable: 12" 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
Dimensions (Length x Max Diameter): 2.829" x 1.53"
Weight: 3.3 oz
Omtaler
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