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技术信息
规格 说明
耳机灵敏度
92dB SPL,于 1 mW 输入信号、1 kHz 单声道模式下测量
耳机阻抗
单声道模式:300 Ohms 开关
立体声模式:600 Ohms 开关
耳机频率响应
RTCA-214a 范围:300 3500Hz
扩展范围:40Hz 15kHz
吊杆式麦克风灵敏度
94dB SPL (1 Pa) -27dBV (+/- 2.5dB),测量于人工嘴 6mm 处,
220 Ohms 负荷电阻且通过 470 Ohms 电阻偏置 12 Vdc
吊杆式麦克风偏置 工作偏置电压范围:4 28 VDC
最大环境噪音水平 105 dBC SPL 下完全主动降噪性能
电池供电 (2) AA 碱性电池
电池寿命
典型商用喷气式飞机噪声中长达 45
小时
。使用时间取决于电池
寿命、环境噪声级别、温度、耳塞状况和是否使用
Bluetooth
能等因素。
飞机供电 飞机供电电压范围:10 32 VDC
平均功耗 250mW
推荐保险丝/断路器 1/4 安培快熔保险丝(AGC 1/4 安培保险丝)或 1/2 安培断路器
耳机重量 9.6 盎司,头上 4.5 盎司
耳机尺寸范围
滑块未伸长:214mm x 161mm x 80mm
滑块伸长:259mm x 168mm x 80mm
控制模块尺寸 38.1mm x 38.1mm x 125mm
288


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