Microphone Preamplifiers

Designed to make acoustical measurements at temperatures up to 125°C (257°F) with a constant-current line drive (CCLD) input...

20 dB GAIN, for Type 4179. Designed for very-low-level sound...

20 dB gain, for Type 4179. Designed for very-low-level sound measurements.  This is a modified version that can be used with PULSE using extension cable...

Tapered, Including Cable AO-0428, BRÜEL & KJÆR Connector. Designed to operate over a wide range of temperature, humidity and other environmental...

Cylindrical, LEMO 1B Connector, No Cable. Designed to operate over a wide range of temperature, humidity and other environmental...

Tapered, Incl. Cable, 7-Pin LEMO Connector. Designed to operate over a wide range of temperature, humidity and other environmental...

Integral 2m Cable with 7-Pin LEMO Plug. Designed to operate over a wide range of temperature, humidity and other environmental...

Integral 2m Cable with 7-Pin LEMO Plug. Optimised for airbag measurements. Designed to operate over a wide range of temperature, humidity and other environmental...

For 1/2-Inch Prepolarized Microphones, Without Cable. Designed to be used in a wide range of environmental conditions and in narrow...

With Insert Voltage Facility. Designed to allow calibration of ½" and 1" condenser microphones by the insert voltage...

Designed for acoustical measurements with a CCLD input module. Prepolarized microphones can be connected to the...

A-Weighted.  Designed to eliminate low-frequency disturbance caused by body boom and road noise during in-car...