技术参数Specification
 
总谐波失真/Total Harmonic distortion       <-0.005%
频率响应/Frequency Response                20Hz-20KHz+1dB /-3dB
最大输出电平/Max output level              18dBm (1 KHz, THD=0.5%)
信噪比/S/N Ratio                           -81 dB
增益控制/Gain Control      单声道/Mono     -51dB~0dB
　　　                     立体声/Stereo   -26dB~0dB
残余输出噪声/Residual  output noise       <-83dBu
串音/Crosstalk                            <-79dBu
头戴耳机输出功率/Earphone output power    260mW(1KHz,THD=0.5%，200Ω)
均衡器/EQ           低/LF                 80Hz±15dB
　　　              中/MF                 250Hz~6KHz±15dB
　　　              高/HF                 12KHz±15dB
输入和输出阻抗           话筒输入/MIC input       2.4KΩ
Input & output impedance 单声输入/Mono  input     11 KΩ
                         立体声输入/Stereo input  100 KΩ
输出阻抗/Impedance output                ≤75Ω
消耗功率/Power consumption               35W
 
功能特点Features
 
SD Series Model SD10 / SD12 / SD16
6/8/12 balanced microphone inputs and two stereo inputs
High-quality, low-noise microphone input
Low-noise preamplifier, with a strong anti-jamming capability
Microphones provide quality + 48V phantom power
Signal input is equipped with high-end console that has the
IF sweep of the three-band equalizer, MF bands range from 140Hz to 3kHz
Two AUX auxiliary output can be selected as pre-fader post-fader
Using 16 kinds of digital display digital delay effect
Circuit board using double-sided SMT chip technology, the performance is stable and reliable