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AKG / Crown PZM10 LL Professional Flush-Mount Boundary Layer Microphone with Line Level Out

 
  • Dale #:

    AKG-3327H00010
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Description

The 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 mic's tubular housing mounts in a 25/32-inch diameter hole in a ceiling panel, wall or ... Read More

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Description

The 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 mic's 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 24 V 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 mic's humbucking transformer and steel case prevent hum pickup, even near fluorescent lights.

Features:

  • Hemispherical polar pattern; Clear, intelligible pickup of speech
  • Low profile, cylindrical design, perfect for wall or tabletop installations
  • Choice of mic level output (PZM®-10) or line-level output (PZM®-10LL)
  • PZM®-10LL powered by 12-24V DC

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Product Specs

Transducer type Electret condenser.
Frequency response (typical) PZM-10: 80 Hz to 20,000 Hz
PZM-10LL: 100 Hz to 20,000 Hz
Polar pattern Hemispherical
Impedance

PZM-10: 240 ohms, balanced
PZM-10LL: 75 ohms, balanced

Recommended minimum load impedance 1000 ohms
Open circuit sensitivity

PZM-10: 2.5 mV/Pa* (–52 dBV/Pa).
PZM-10LL: 1.4V/Pa* (+3 dBV/Pa).

Power sensitivity

PZM-10: –52 dBm/Pa*.
PZM-10LL: +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 PZM-10: 12 to 48V phantom power, positive voltage on pins 2 and 3 with respect to pin 1.
PZM-10LL: 12 to 24V DC, positive voltage on red lead with respect to shield.
Polarity PZM-10: Positive pressure on the diaphragm produces a positive voltage on pin 2 with respect to pin 3 of output connector.
PZM-10LL: Positive pressure on the diaphragm produces a positive voltage on white lead with respect to black lead.
Operating Temperature Range –10° to +60° C (+14° to +140° F).
Current drain PZM-10: 400 microamperes
PZM-10LL: 2.8 mA at 12V DC, 4.22 mA at 24V DC
Output connectors PZM-10: Male XLR type (3-pin pro audio). PZM-10LL: None.
Cable PZM-10: None supplied. Use 2-conductor shielded mic cable.
PZM-10LL: 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

PZM-10: 2.6 oz. (73.6 g).
PZM-10LL: 3.3 oz. (93.9 g).

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