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TYPE 4971

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

Pressure-field microphone for precision coupler measurements, random incidence, and free-field measurements with 90°C incidence over a frequency range of 5 Hz to 20 kHz.

TYPE 4971

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Type 4971 is a high temperature, CCLD pressure-field microphone set optimized for measurements in 125°C. The microphone is ideal for coupler measurements, random incidence measurements and free-field measurements with 90° incidence.

Being prepolarized, it can be used with CCLD input as well as classical input. It has wide frequency and dynamic range and is highly immune to changing environmental conditions.

Precision coupler measurements
Precision-grade sound level meters
General, random-incidence measurements
Free-field measurements with 90° incidence

CCLD Pressure-field ½-inch Microphone Type 4971-H-041

Data Sheets

English

FAMILY 4971
Standard	IEC 61094
Sound field	Pressure field
Polarization	CCLD
Sensitivity	12 mV/Pa
Lower frequency	10 Hz
Higher frequency	20 kHz
Lower dynamic range	20 dB
Higher dynamic range	146 dB
Diameter	1/2 inch
Venting	Rear
Minimum Temperature	-20 °C
Maximum Temperature	125 °C
Minimum Temperature	-4 °F
Maximum Temperature	257 °F
Output signal (connectivity)	Passive

Product Code	Description
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DP-0776---	"Adaptateur pour microphones d'étalonnag
UA-0033---	"Grille électrostatique pour microphone
UA-0459---	"Ecran anti-vent sphérique (1/2"" - Diam

CET ENSEMBLE DE MICROPHONES EST UNE COMBINAISON DE :

Microphone Type 4971 :
Préamplificateur Type 1706

Le microphone et le préamplificateur sont scellés pour former une seule unité - le type et le numéro de série uniques sont stockés dans la puce TEDS.

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