B&K TYPE 2670 Microphone Pre-amplifier

1/4‐INCH MICROPHONE PREAMPLIFIER TYPE 2670

Microphone Preamplifier Type 2670 is designed to operate over a wide range of temperature, humidity and other environmental conditions. Delivered with an integral 2M cable with 7-pin LEMO plug.

Description

The preamplifier Type 2670 is very compact and operates over a wide range of temperature, humidity and other environmental conditions.

  • Full electromagnetic compatibility (EMC)
  • LEMO connector for instrument input socket
  • Patented  charge  injection  calibration  technique  for  on‐site calibration  of  the  whole  measuring  channel  including  the microphone
  • Wide dynamic range
  • Very low inherent noise, high input impedance
  • Low output impedance and high output current allow use with long extension cables • Wide working temperature range • Excellent phase linearity

Use Scenarios

  • Sound measurements with 1/4- and 1/8-inch Brüel & Kjær and other compatible microphones
  • Sound intensity probes