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AKG PZM185 Boundary Layer Microphone (Discontinued)
Part # 3324H00010
Model # PZM185
The AKG PZM185 Pressure Zone Microphone is a microphone designed for general-purpose use. Ideal for applications such as conferences, group discussions, interviews, broadcast, home video production, lectures and recordings.

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Description

Details

The PZM185 Pressure Zone Microphone is a microphone designed for general-purpose use. Ideal for applications such as conferences, group discussions, interviews, broadcast, home video production, lectures, and recordings. The mic can be placed on a large surface such as a table, floor, wall, or lectern. The PZM185 is powered either by an internal AAA 1.5V battery or 12 48V phantom power. The boundary "paddle" can be detached so the mic will fit in your pocket. Attached to the mic is an 8-foot (2.438-m) cable leading to a tubular power module. The microphone’s low profile design reduces "mic fright" and minimizes clutter. It is nearly invisible on camera. The PZM-185 minimizes pickup of vibration and handling noise. Its electret condenser capsule provides a wide, smooth frequency response from 50 Hz to 16 kHz.

The mic's hemispherical polar pattern allows clear pickup of everyone surrounding the microphone. The PZM185 is protected against static and RFI. The output is balanced, low impedance, which allows long cable runs without hum pickup or high-frequency loss. Like other Pressure Zone Microphones, the PZM185 uses 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 microphone.

Features

Features

  • Ideal for table-top or on-floor recordings: conference, group discussions, interviews, broadcast, home video, lectures, music
  • Works on internal AAA battery or phantom power
  • Low-impedance XLR-type output
  • Boundary “paddle” can be detached
  • Clear, bright sound quality with excellent bass
Specification
Frequency Response (typical)50 Hz to 16 kHz
Polar PatternHemispherical (half-omni) on a large surface
Impedance150 ohms, balanced. Recommended minimum load impedance 1000 ohms
Open Circuit Sensitivity (1.5V battery power)0.8mV/Pa (–62 dB re 1 volt/Pa)
Power Sensitivity (1.5V battery power)–59.5 dBm. EIA sensitivity –154 dBm
Open-Circuit Sensitivity (phantom power)3.2 mV/Pa (–50 dB re 1V/Pa)
Power Sensitivity (phantom power)–47.5 dBm. EIA sensitivity –142 dBm
Equivalent Noise Level (self-noise)21 dB SPL typical, A-weighted (0 dB = .0002 dyne/cm2)
S/N Ratio73 dB at 94 dB SPL
Maximum SPL120 dB SPL produces 3% distortion with phantom power
PolarityPositive pressure on the diaphragm produces positive voltage on pin 2
Cable8-foot (2.438-m), 2-conductor shielded, permanently attached cable. No other cable supplied
Output Connector3-pin XLR-type pro audio connector
Operating VoltageOne 1.5V size AAA alkaline battery (Duracell MN2400 or equivalent) or 12 to 48V phantom power
Battery LifeApproximately 45 days
Current Drain0.5 mA
MaterialsHigh-impact plastic housing and steel power module
FinishSatin Battery
Included Accessory1.5V AAA battery
Dimensions (H x W x D)0.74" (19 mm) x 3.43" (87 mm) x 5.9" (150 mm)
Weight0.253 lbs (115 g)
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