CMXM 系列会议话筒-隐蔽式及多拾音头界面话筒 (有线和无线).docx

Technical Specifications技术指标MX395 B/CLow Profile Boundary Microphone(小型界面话筒)performance parameters性能参数Type: Condenser (electret bias)Frequency Response:50 to 17,000 Hz Polar Pattern ：Cardioid Output Impedance: 180 ohms actual (EIA rated at 150 ohms) Sensitivity (At 1,000 Hz, open circuit voltage*): -35.0 dBV/Pa (18 mV) 1 Pascal = 94 dB SPL Maximum SPL (1 kHz at 1% THD, 1 k ohm load): 121 dB ，All values +6 dB at 0 gain Equivalent Output Noise (A-weighted): 28.0 dB SPL Signal to Noise Ratio (referenced at 94 dB SPL): 66.0 dB Dynamic Range at 1 k ohm load: 93 dB Common Mode Rejection: 45.0 dB minimum Preamplifier Output Clipping Level (1% THD): -8.0 dBV (0.4V) .-12 dBV at 0 gain Polarity: Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of output connector. Power Requirements: 11 to 52 Vdc phantom, 2.0mA Environmental Requirements: Operating Temperature Range: -18 to 57 degrees C (0 to 135 degrees F) Relative Humidity: 0 to 95% 类型：电容（电介质偏压）频率响应：50 至 17,000 Hz拾音模式：心型输出阻抗：有效阻抗为 180 欧姆（EIA 额定为 150 欧姆）灵敏度（1,000 Hz，开路电压*）：-35.0 dBV/Pa (18 mV)1 Pa = 94 dB 声压级最大声压级（1 kHz，1% 总谐波失真，1 千欧负载）：121 dB0 增益时，所有值均为 +6 dB等效输出噪声（A 权重）：28.0 dB 声压级信噪比（参考 94 dB 声压级）：66.0 dB1 千欧负载时的动态范围：93 dB共模抑制：最小为 45.0 dB前置放大器输出限幅电平（1% 总谐波失真）：-8.0 dBV (0.4 V)极性：振膜上的正声压会在输出接头的针脚 2 上产生正电压（相对于针脚 3）。电源要求：11 至 52 Vdc，幻象，2.0 mA环境要求：使用温度范围：-18 至 57 摄氏度（0 至 135 华氏度）相对湿度：0 至 95%Technical Specifications技术指标MX395 B/C-LEDLow Profile Boundary Microphone(小型界面话筒)performance parameters性能参数Type: Condenser (electret bias)Frequency Response:50 to 17,000 Hz Polar Pattern ：Cardioid Output Impedance: 170 ohms actual (EIA rated at 150 ohms) Output Configuration: Active balancedSensitivity (At 1,000 Hz, open circuit voltage*): -35.0 dBV/Pa (18 mV) 1 Pascal = 94 dB SPL Maximum SPL (1 kHz at 1% THD, 1 k ohm load): 121 dB ，All values +6 dB at 0 gain Equivalent Output Noise (A-weighted): 28.0 dB SPL Signal to Noise Ratio (referenced at 94 dB SPL): 66.0 dB Dynamic Range at 1 k ohm load: 93 dB