dBu is an absolute measurement. 0dBu被引用为0.有效值775伏
Microphone Pre-Amplifier
Mic to Line (without limiter acting)
频率响应: 280 - 15kHz±3dB
Microphone output to line – Audio Level (-50dBm Electret input): 9 dbm
Microphone output to line – Distortion: <0.1%
Microphone output to line – Signal to Noise: >65dB
耳机前置放大器
Frequency Response – Line to Headphone: 150 - 20k Hz±3dB
Headphone input from line – Audio Level (9 dbm Electret input): 3.5 dbm
Headphone input from line – Distortion: <0.5%
Headphone input from line – Signal to Noise: >50dB
Earphone to Mic – Crosstalk: >80dB
Sidetone – Adjustment Range (-80db mic input): >45dB
键盘指标
力量: 绿色的领导
谈话: 绿色的领导
电话: 橘色了
连接器
对讲系统: (2) 3针XLR-M-F通道. 1 2线
对讲机频道
销1: 常见的
销2: PL电源(+28VDC)
销3: 线(音频)
耳机: 4-pin XLR-M
耳机连接器
销1: Mic - (Mic 常见的)
销2: 麦克风+
销3: Spkr -
销4: Spkr+(和0.5*VCC DC, supply between Pin 4 and Pin 1)
功率要求
输入电压范围: 12-30V直流
输入电流(空闲): <=12mA
输入电流(最大): <=28mA
叫电压
16.5 v直流
Minimum Voltage Needed: 3.3V
环境
32°F - 140°F (0°C - 60°C)
相对湿度: 0 - 96%, non-condensing
Vibration Frequency Range: 2 - 13.2Hz
振幅: 1.0mm
Peak Value Frequency Range: 13.2 - 100Hz
Acceleration 振幅: 0.7g
EMC: DNVGL-CG-0339 - Class A
附件: 盐雾IP-53
维
3.4 x 4.5 x 1.7 (HxWxD)
(86 x 114 x 43毫米)
重量
10.5oz (0.30kg)
Certifications and Compliance
This device complies with part 15 of the FCC Rules.
This device complies with European Union CE Mark:
• Electromagnetic Compatibility Directive 2014/30/EU
• Low Voltage Directive 2014/35/EU • RoHS Directive 2011/65/EU
• Standards: EN 55032, EN 55024, EN 60950-1, EN 50581
This device complies with Maritime Certification:
• Conformity with DNVGL-CG-0339 Edition November 2016
• Asbestos-free in accordance with SOLAS Regulation II-I/3-5.2
• Compass Safety Distance conformity per DNVGL-CG-0339 and IEC 60945