FAMILY 4188

½-INCH FREE-FIELD MICROPHONE, PREPOLARIZED

Free-field microphone for measurements in transport-noise measurements, architectural acoustics and electroacoustics over a frequency range of 8 Hz to 12.5 kHz.

FAMILY 4189

½-INCH PREPOLARIZED FREE-FIELD MICROPHONE

Type 4189 is designed for high-precision, free-field measurements where a microphone with high sensitivity is required. Being prepolarized, the microphone can be used with both DeltaTron and classical preamplifiers.

FAMILY 4190

½-INCH FREE-FIELD MICROPHONE, EXTERNALLY POLARIZED, 6.3 HZ – 20 KHZ

Microphone designed for high-precision free-field measurements from 6.3 Hz to 20 kHz with high sensitivity.

FAMILY 4191

½-INCH FREE-FIELD MICROPHONE, EXTERNALLY POLARIZED, 3.15 HZ – 40 KHZ

Free-field microphone for high-precision, free-field measurements with a wide frequency range/bandwidth of 3.15 Hz to 40 kHz.

FAMILY 4939

1/4-INCH FREE-FIELD MICROPHONE, EXT. POLARIZED

Free-field microphone designed for high-level and high-frequency measurements over a frequency range of 4 Hz to 100 kHz.

FAMILY 4954

1/4-INCH FREE-FIELD MICROPHONE, PREPOLARIZED 

Free-field microphone designed for high-level and high-frequency measurements over a frequency range of 4 Hz to 100 kHz.

FAMILY 4966

½-INCH FREE-FIELD MICROPHONE, PREPOLARIZED, 5 HZ – 20 KHZ

Free-field microphone designed for high‐precision and high sensitivity measurements with a frequency response of 5 Hz to 20 kHz.