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Crown Audio PCC-170SW Phase Coherent Cardioid Microphone, Switch Version, Polar Pattern



Crown Audio PCC-170SW Phase Coherent Cardioid Microphone, Switch Version, Polar Pattern


 

Our Price : $334.09


Product Code: 505343

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Description
 
The Crown® PCC®-170SW is a surface-mounted supercardioid microphone of professional quality. This handsomely styled unit is appropriate for use on the most elegant boardroom table or lectern. Other applications include churches, courtrooms and council chambers.

The PCC-170SW has a silent-operating membrane switch which is normally off. The switch can be configured for touch on/off, momentary on or momentary off operation. This confi guration is set by a bottom-mounted DIP switch. A high-intensity LED lights when the unit is on.

The PCC-170SW is intended for multiplemicrophone use on a conference table where each person wants control of his or her microphone. The microphone attenuates 70 dB when the switch is in the off position. Since the microphone capsule is placed on a boundary or surface, direct and reflected sounds arrive at the diaphragm in-phase, resulting in a wide, smooth frequency response free of phase interference. Clarity and reach are also enhanced.

Self-contained electronics eliminate the need for an in-line preamp. Powered by 12-48V phantom power, the PCC-170SW has a low-impedance balanced output which permits long cable runs without hum pickup or high-frequency loss. Although the standard connector option is a Switchcraft TB3M, the microphone can be special- ordered with a ¼-inch (6.35-mm) stereo phone plug on the bottom of the base plate as the PCC-170SWSPP.

RFI suppression is included. Self-noise is low and sensitivity is very high. A bass-tilt switch allows the user to tailor the low-end response for particular applications.

Membrane Switch
The PCC-170SW membrane switch can be confi gured to work three ways:
1. Touch on/off. Touch the switch to turn on the mic; touch it again to turn off the mic.
2. Momentary on. Touch and hold the switch to turn on the mic momentarily. Release the switch to turn the mic back off.
3. Momentary off. Touch and hold the switch to turn off the mic momentarily. Release the switch to turn the mic back on. This option can serve as a cough or privacy button.

Features
  • Perfect for multimiking applications in teleconferencing, distance learning, and boardrooms
  • Phase Coherent Cardioid® design prevents coloration from surface sound refl ections
  • Half-supercardioid polar pattern reduces ambient noise and room reverberation
  • Programmable on/off membrane switch
  • Balanced XLR outputs

    Specifications
  • Type: Phase Coherent Cardioid®.
  • Element: Electret condenser.
  • Frequency response (typical): 50 Hz to 20,000 Hz at 30 degrees incidence to surface
  • Polar pattern: Half-supercardioid (supercardioid in the hemisphere above the primary boundary).
  • Impedance: 150 ohms, balanced (recommended load impedance 1000 ohms or greater).
  • Open circuit sensitivity (typical): 22 mV/Pa* (–33 dB re 1 volt/Pa).
  • Power sensitivity: –30.5 dB re 1 mW/Pa*. EIA rating –125 dBm.
  • Equivalent noise level (self-noise): 22 dB SPL typical (0 dB = 0.0002 dyne/cm2), A-weighted.
  • S/N ratio: 72 dB at 94 dB SPL.
  • Maximum SPL: 120 dB SPL produces 3% THD.
  • Off Attenuation: 70 dB at 1 kHz.
  • Turn-on time: 250 msec.
  • Turn-off time: 125 msec.
  • Polarity: Positive pressure on the diaphragm produces positive voltage on pin 2 with respect to pin 3.
  • Operating voltage: Phantom power, 12 to 48 volts DC on pins 2 and 3 with respect to pin 1.
  • Current drain: 6 mA nominal.

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