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.

FAMILY 4966

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A robust and stable free‐field microphone cartridge designed for high‐precision acoustic measurements. Type 4966 is developed and refined for measurements where a high sensitivity microphone with a full 20 kHz bandwidth is preferred and is optimized for use with the protection grid in place.

Microphone Type 4966 is prepolarized, so it is well suited for use in battery-operated equipment and environments with high humidity.

Precision sound‐measurements
General purpose sound‐measurements
Electroacoustic measurements

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Code	Standard	Polarization	Lower frequency	Lower dynamic range	Higher dynamic range	Maximum Temperature	Maximum Temperature
-4966-A-031-	IEC 61672	CCLD	3 Hz	18 dB	131 dB	65 °C	149 °F
-4966-A-041-	ANSI S1.4	CCLD	12.5 Hz	16.5 dB	134 dB	60 °C	140 °F
-4966-H-041-	ANSI S1.4	CCLD	6.3 Hz	16.5 dB	134 dB	125 °C	257 °F
-4966-L-001-	ANSI S1.4	Classical	6.3 Hz	15.2 dB	144 dB	60 °C	140 °F

Microphone Type 4966 Family	Data Sheets	English
Microphone Handbook - Vol. 1 Theory	Primers	English

FAMILY 4966
Standard	ANSI S1.4, IEC 61672
Sound field	Free field
Polarization	CCLD, Classical
Sensitivity	48.4 mV/Pa
Lower frequency	6.3 Hz, 3 Hz, 12.5 Hz
Higher frequency	20 kHz
Lower dynamic range	16.5 dB, 18 dB, 15.2 dB
Higher dynamic range	134 dB, 131 dB, 144 dB
Diameter	1/2 inch
Venting	Rear
Minimum Temperature	-20 °C
Maximum Temperature	125 °C, 65 °C, 60 °C
Minimum Temperature	-4 °F
Maximum Temperature	257 °F, 149 °F, 140 °F
Output signal (connectivity)	Passive

List of accessories available for all variants of this family

Product Code	Description
-4228---	Pistonphone calibrator, 250Hz, 124dB,Cla
-4231---	0,01d Calibrator, Class1, 94&114dB, 1kHz
DP-0776---	Adaptor 1/2" Mic for 4228/4231
UA-0033---	Electrostatic Actuator 1/2" for HBK Mic
UA-1260---	Adaptor 1/2"Mic to 1/2"Preamp, 80° Angle
UA-0459---	Windscreen for 1/2" Mic, 65mm Diameter
UA-0386---	Nose Cone for 1/2" Mic
UA-1317---	Mic Holder use with 1/2" Preamp & Tripod
AO-0699-D-050-	Cable 10-32 UNF(M) to SMB (F), 5m, sln
AO-0463-D-030-	Cable 10-32 UNF(M) to (M), 3m, coax
JP-0145---	Adaptor BNC(M) to 10-32 UNF(F) str.

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USER SCENARIOS

Suitable for measuring high sound pressure levels – such as in the proximity of a jet engine
- Because it has a wide dynamic range all way up to 144dB
Suitable for checking the condition of a microphone before measuring, in situations where the microphone is a distance from both the user and other microphones, such as in pass-by, flyover and distributed measurements.
- Because it features CIC (charge injection calibration) that allows the user to check the microphone’s condition by sending a signal

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