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PCB Awarded Patent for Universal Phantom Powered Preamplifier

December, 2019, Depew, NY – PCB Piezotronics, Inc., a wholly owned subsidiary of MTS Systems Corporation (NASDAQ: MTSC), was awarded a patent for a universal phantom powered preamplifier. PCB engineers Mark Nowak and Drew Karkau are inventors of the patent for Model 426A14.


PCB’s patented phantom powered preamplifier (426A14) has a unique modular design that mates with any pre-polarized ½” or ¼” IEC 61094-4 compliant microphone cartridge. This flexibility allows users to select the cartridge with performance required for a specific test while leveraging the investment in a single universal 48V preamplifier.

Highlights include:

  • Quickly and easily change between ½” and ¼” IEC 61094-4 compliant microphone cartridges
  • 15.5 dBA noise floor, 100 kHz capability based on microphone cartridge selected
  • Fast rise times and transients for superior impulse responses