Microphone cartridges

TYPE 4138

1/8-inch pressure-field microphone, 6.5 Hz to 140 kHz, 200V polarization
Designed for very high-frequency measurements in confined spaces.
TYPE 4144

1-inch pressure-field microphone, 2.6 Hz to 8 kHz, 200V polarization
Designed for coupler measurements.
TYPE 4145

1-inch free-field microphone, 2.6 Hz to 18 kHz, 200V polarization
Designed for low-level and laboratory free-field measurements, it is also suitable for sound pressure measurements in accordance with IEC 61672 Class 1
TYPE 4160

1-inch laboratory standard microphone, 2 Hz to 8 kHz, 200V polarization
Designed for use as laboratory reference standard microphone.
TYPE 4176

½-inch free-field microphone, 6.5 Hz to 12.5 kHz, prepolarized
Designed for measurements as required for sound level meters in accordance with IEC61672 class 1 and ANSI S 1.4 Type 1.
TYPE 4178

¼-inch sound intensity microphone pair, 4 Hz to 100 kHz, 200V polarization
Pair of phase matched Type 4939 microphones designed for measurement of sound intensity for high level and high frequency.
TYPE 4180

½-inch laboratory standard microphones, 1 Hz to 20 kHz, 200V polarization
Designed for use as laboratory standard microphone.
TYPE 4188

½-inch free-field microphone, 8 Hz to 12.5 kHz, prepolarized
Economy microphone designed for measurements in transport-noise measurements, architectural acoustics and electro-acoustics.
TYPE 4189

½-inch free-field microphone, 6.3 Hz to 20 kHz, prepolarized
A general purpose microphone, designed for high-precision, free-field measurements where a 20 kHz microphone with high sensitivity is required.
TYPE 4190

½-inch free-field microphone, 6.3 Hz to 20 kHz, 200V polarization
Designed for high-precision free-field measurements where a 20 kHz microphone with high sensitivity is required.
TYPE 4191

½-inch free-field microphone, 3.15 Hz to 40 kHz, 200V polarization
Designed for high-precision, free-field measurements where a 40 kHz bandwidth is required.
TYPE 4192

½-inch pressure-field microphone, 3.15 Hz to 20 kHz, 200V polarization
Designed for high-precision coupler measurements or ANSI noise measurements.
TYPE 4192-S

½-inch Condenser Microphone Cartridge, 3.15 Hz to 20 kHz, 200V polarization
Designed for use as a laboratory standard microphone.
TYPE 4192-T

½-inch Condenser Microphone Cartridge, 3.15 Hz to 20 kHz, 200V polarization
Designed for use as a transfer standard microphone.
TYPE 4193

½-inch infrasound microphone, 0.07 Hz to 20 kHz, 200V polarization
Designed for infrasound measurements.
TYPE 4197

½-inch Microphone pair for Sound Intensity
Phase-matched pair of ½-inch microphones, designed for being used with Brüel & Kjær’s range of sound intensity analyzers.
TYPE 4938

¼-inch pressure-field microphone, 4 Hz to 70 kHz, 200V polarization
Designed for high-level and high-frequency measurements.
TYPE 4939

¼-inch free-field microphone, 4 Hz to 100 kHz, 200V polarization
Designed for high-level and high-frequency measurements.
TYPE 4940

½-inch free-field microphone, 2 Hz to 20 kHz, prepolarized
Suitable for both outdoor and industrial environment measurements and for IEC 60651 Type 1 measurements and frequency analysis measurements
TYPE 4941

¼-inch extremely high-level pressure-field microphone, 4 Hz to 20 kHz, 200V polarization
Designed for high-level measurements, such as gunshot, fireworks and rockets.
TYPE 4942

½-inch diffuse-field microphone, 6 Hz to 16 kHz, prepolarized
Designed for general, random-incidence measurements. Also suitable for noise measurements in accordance with ANSI standards.
TYPE 4943

½-inch diffuse-field microphone, 3.15 Hz to 10 kHz, 200V polarization
Designed for general, random-incidence measurements. Also suitable for noise measurements in accordance with ANSI standards.
TYPE 4944

¼-inch pressure-field microphone 4 Hz to 70 kHz prepolarized
Designed for high-level and high-frequency measurements.
TYPE 4947

½-inch pressure-field microphone, 8 Hz to 10 kHz, prepolarized
Designed for coupler measurements in connection with telephone and hearing aid testing.
TYPE 4950

½-inch free-field microphone, 6.5 Hz to 16 kHz, prepolarized
Economy microphone designed for equipment intended for accurate and reliable sound measurements in accordance with IEC 61672 Class 1 and ANSI S 1.4 Type 1.
TYPE 4953

½-inch pressure-field microphone, 3 Hz-10 kHz, prepolarized
Designed for coupler measurements and in-cabin measurements. Suitable for measurements to ANSI standards.
TYPE 4954

¼-inch free-field microphone, 4 Hz to100 kHz, prepolarized
Designed for high-level and high-frequency measurements.
TYPE 4964

½-inch infrasound microphone, 0.02 Hz to 20 kHz, prepolarized
Designed for high-precision, acoustic measurements where an infrasound microphone with high sensitivity is required.
TYPE 4966

½-inch free-field microphone, 5 Hz to 20 kHz, prepolarized
Designed for high‐precision, free‐field measurements where a microphone with high sensitivity is required.