Acoustics
When it comes to selecting a microphone for product tests—whether for sound power, sound quality, or noise source location—there's no need to compromise to sacrifice quality or performance for affordability.
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Modern Prepolarized Precision Condenser Microphones & Preamplifiers
Modern prepolarized microphones are designed with newer technology than traditional externally polarized microphones. Prepolarized microphones have many advantages over the externally polarized models. They use ICP® power circuitry invented for sensors by PCB®. By applying a polymer coating to the top of the backplate and embedding a charge on it, expensive 200V power supplies can be eliminated and 2-20 mA constant current supplies or signal conditioners can be used as the power source.
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Externally Polarized Precision Condenser Microphones & Preamplifiers
Externally polarized microphones set the initial standard for all acoustic test and measurement applications. They rely on a dedicated 200V power supply and specialized cables with 7-pin LEMO® connectors. Their straightforward design supports a wide product range. Often chosen as replacements for existing models or when prepolarized alternatives are unavailable.
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Patented Phantom Powered Microphones For Test & Measurement
PCB's patented phantom powered preamplifier (426A14) boasts a versatile modular design compatible with any ½" or ¼" IEC 61094-4 compliant microphone cartridge. This adaptability empowers users to choose the cartridge best suited for specific tests while utilizing a single universal 48V preamplifier.
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Specialty Test And Measurement Microphones
When acoustic measurements need to be made in demanding environments and applications, a variety of PCB® specialty microphones are available.
