TYPE 4966

½ - 英寸自由场麦克风，预偏振， 5 赫兹 – 20 千赫兹

自由场麦克风专为高精度和高灵敏度测量而设计，频率响应范围为 5 Hz 至 20 kHz。

TYPE 4966

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坚固稳定的自由场麦克风，专为高精度声学测量而设计。TYPE 4966专为测量而开发和完善，其中首选具有完整 20 kHz 带宽的高灵敏度麦克风，并针对保护栅的使用进行了优化。

麦克风 TYPE 4966 是预极化的，因此非常适合在电池供电设备和高湿度环境中使用。

Ul.

精密声音‐测量

通用声音‐测量

电声测量

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

Microphone Type 4966 Family	Data Sheets	English
Microphone Type 4966 Family	Data Sheets	Japanese
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

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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