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Brüel & Kjær ½-inch Laboratory Standard Brüel & Kjær

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Brüel & Kjær ½-inch Laboratory Standard Microphone Type 4180（Externally Polarized）
  • Brüel & Kjær ½-inch Laboratory Standard Microphone Type 4180（Externally Polarized）

Brüel & Kjær ½-inch Laboratory Standard Microphone Type 4180（Externally Polarized）

Brand: Brüel & Kjær

Origin: Denmark

Brüel & Kjær ½-inch Laboratory Standard Microphone Type 4180（Externally Polarized）
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Overview

Key Specifications:

  • 标准符合性: IEC 61094
  • 声场类型: 压力场（Pressure field）
  • 频率范围: 1 Hz ~ 20 kHz（压力场平坦频响上限达 20 kHz）
  • 特征: 具备定义明确的前腔积分容积，专用于耦合腔（coupler）校准
  • 长期稳定性: 经人工老化处理，对环境变化敏感度低
  • 校准方式: 压力场与自由场互易校准（reciprocity）、耦合腔测量
  • 典型用途: 实验室标准传声器、传声器互易校准、耦合腔测量

Official product page: https://www.hbkworld.com/en/products/transducers/acoustic/reference-microphones/4180

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Specifications

指标名称 数值
标准符合性 IEC 61094
声场类型 压力场（Pressure field）
频率范围 1 Hz ~ 20 kHz（压力场平坦频响上限达 20 kHz）
特征 具备定义明确的前腔积分容积，专用于耦合腔（coupler）校准
长期稳定性 经人工老化处理，对环境变化敏感度低
校准方式 压力场与自由场互易校准（reciprocity）、耦合腔测量
典型用途 实验室标准传声器、传声器互易校准、耦合腔测量
Expand Brüel & Kjær ½-inch Laboratory Standard

* Specifications are subject to change without notice.