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Live Address Lampifier Microphone PolyVox 711 for Classroom, Auditorium, etc. 

Buy Now: $139.00 US
List Price: $189.00
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The Lampifier® processor inside this Model 711 microphone is intended for hand-held speaking in the classroom, house of worship, theater, or auditorium etc. This program enables significantly higher audible clarity and higher average signal level through your existing sound system. Easily project to the back of the room without the unpleasant harshness or uneven peaking so common with standard mic/PA systems. Also, the 711 Live Address greatly reduces the tendency for low volume words to become unintelligible and "fall away". Swap out your existing microphone to upgrade to your system without increasing system power or complexity! The alternative 711 Podium or Lectern program is similar and optimized for podium/lectern applications. 711LD Program Labels are available for this standard program.

Program: View Program Settings
Compressor: -20dB
Gate: -35dB
Release: Slow
Output: Low
Product Code: 711LD

About the PolyVox 711 Lampifier Microphone

The PolyVox 711 Lampifier microphone is a unidirectional cardioid dynamic microphone for professional sound reinforcement or recording. Applications include vocal or instrument performance, live speaking, ensembles, choir, and repertory theater. A phantom-powered sound processor is located inside the microphone’s handle. The processor is programmable and improves sound quality for a wide variety of applications. Total system cost is dramatically reduced by including the audio processor internally. No extra patch cables or outboard sound processors are required. The audio processor inside the microphone is pre-programmed for the user’s application to deliver a polished, professional sound right out of the box. The processor self-adjusts to the incoming sound, making program adjustments by the user generally unnecessary. The user also can reprogram the processor to use the microphone in different applications or customize it for the user's personal style or preference. Reprogramming is done with the help of a free Online Programming Tool.

The frequency response and cardioid pickup pattern are tailored for accurate sound reproduction with a balance of high fidelity and feedback rejection. The 711 microphone has a flatter midrange response and a slightly accentuated bass response. As a result, the 711 is most often used in low to moderate volume environments or where the sound source is 6 inches (150mm) or more from the microphone. The proximity effect of directional microphones typically causes a loss of bass response as distance increases from the sound source. When the 711 is used with a distant sound sources (for example, a voice at 12 inches away or more) it provides a natural, rich bass response due to it's slightly emphasized low-end amplitude response. The 711 tends to “thin out” less quickly with increasing distance than other directional microphones. For close mic’ing applications, on the other hand, the 711 microphone has an accentuated and powerful bass response. (Note that the PremoVox 111 is recommended for closer mic’ing, but this is only a general guideline. Either microphone can be used for close or distant applications. Here we are discussing preferred uses.) A rugged construction ensures that the PolyVox 711 will perform consistently and reliably. Includes microphone with preprogrammed sound processor, microphone carrying bag, user guide, programming guide, and six extra shunts for programming.

The PolyVox 711 has a special o-ring installed between the ball grill and the body. If the ball grill is removed, the o-ring must be removed to put the ball grill back on. It's easy to do. Here are the instructions for reinstalling the PolyVox 711 ball grill and the o-ring.

Microphone features

  • Internal Lampifier audio processor with noise gate to blocks unwanted noise and feedback, and provides heightened articulation without unwanted artifacts.
  • Uniform cardioid pickup pattern minimizes background noise and feedback.
  • Frequency response 40 - 18,000 Hz provides accurate sound reproduction.
  • Mechanical shock mount system minimizes handling noise and vibration.
  • Steel-mesh ball grill resists wear and abuse.
  • Ball grill is oversize for greater acoustic transparency.
  • Built in spherical pop-filter reduces undesirable wind and breathe noise.
  • Magnet Reed mute switch provides convenient, quiet shut-off.
  • Mute switch can be locked in "on" position.
  • Stand adapter is durable and impact resistant.
  • All-metal construction means ruggedness and reliability.
  • 3-pin XLR output connects to standard professional equipment.
  • No batteries required. Operates on 48V phantom power or optional inline phantom AC adaptor.

Lampifier Microphone PolyVox 711 Specifications

  • Type: Dynamic (moving coil) with phantom powered Lampifier processor.
  • Phantom Power Requirement: 15 to 48 volts, 10 mA.
  • Frequency Response: 40 to 18,000 Hz.
    larger view
  • Polar Pattern: Cardioid.
    larger view
  • Sensitivity: -70 to -20 dBV/Pa depending on program.
  • Impedance: Rated impedance is 150 ohms (300 ohms actual) for connection to microphone inputs rated low impedance.
  • Wiring Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3.
  • Connector: Three-pin professional audio connector (male XLR type).
  • Structure: Black enamel-painted, die cast metal; matte-finished, silver, spherical steel mesh ball grill.
  • Overall Dimensions: 53 x 180 mm (2.1” x 7.1”).
  • Net Weight: 298 grams (10.5 oz).
  • Processor Programming: requires six shunts or less.
  • Six extra shunts are included.
  • PolyVox 711 User Guide (pdf document).
  • PolyVox 711 Programming Guide (pdf document).

Specifications are subject to change without notice.

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