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4942 系列

½英寸扩散场传声器，预极化

扩散场传声器专门设计用于 6 Hz 至 16 kHz 的随机入射（扩散场）测量，并根据 ANSI 标准提供噪声测量。

4942 系列

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4942型预极化扩散场 ½ 英寸传声器针对一般随机入射测量和符合 ANSI 标准的标准化噪声测量进行了优化。并且由于预极化，它可以连接到 CCLD 输入调理器。

扩散场测量
车内测量
高湿度条件

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下限频率 keyboard_arrow_down
最高温度 keyboard_arrow_down
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极化 keyboard_arrow_down
较低动态范围 keyboard_arrow_down

Code	极化	下限频率	较低动态范围	较高动态范围	最高温度	最高温度
-4942-A-021-	CCLD	20 Hz	18 dB	134 dB	80 °C	176 °F
-4942-A-031-	CCLD	6.3 Hz	18 dB	130 dB	80 °C	176 °F
-4942-B-001-	经典	6.3 Hz	15.2 dB	146 dB	80 °C	176 °F
-4942-C-001-	经典	6.3 Hz	15.2 dB	146 dB	80 °C	257 °F
-4942-H-041-	CCLD	6.3 Hz	18 dB	134 dB	125 °C	176 °F
-4942-L-001-	经典	6.3 Hz	15.2 dB	146 dB	80 °C	176 °F

TEDS Microphones	數據表	English
TEDS Microphones	數據表	Japanese

FAMILY 4942
Standard	IEC 61094
Sound field	Diffuse field
Polarization	CCLD, Classical
Sensitivity	50 mV/Pa
Lower frequency	20 Hz, 6.3 Hz
Higher frequency	16 kHz
Lower dynamic range	18 dB, 15.2 dB
Higher dynamic range	134 dB, 146 dB, 130 dB
Diameter	1/2 inch
Venting	Rear
Minimum Temperature	-20 °C
Maximum Temperature	80 °C, 125 °C
Minimum Temperature	-4 °F
Maximum Temperature	176 °F, 257 °F
Output signal (connectivity)	Passive

List of accessories available for all variants of this family

Product Code	Description
-2669-B--	"1/2"" Microphone preamplifier, tapered,
-2669-C--	1/2" classic MicPreamp,cylindr., LEMO 1B
-2669-L--	"1/2"" Microphone preamplifier, tapered,
-1706---	"1/2"" DeltaTron Microphone Preamplifier
-4228---	Pistonphone / 活塞发生器
-4231---	Sound Calibrator Class 1 and LS, 94 and
DP-0776---	Adaptor 1/2" Mic for 4228/4231
UA-0033---	Electrostatic Actuator 1/2" for HBK Mic
UA-0459---	"Windscreen for 1/2"" microphones, 65mm

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