专业8路调音台舞台婚庆会议多功能带混响效果QI-6800技术参数：

电平：Maximum Levels

Mic inc                         +22dBu

All Other inputs                  +22dBu

Main Mix TRS out and XLR out     +28dBu

All other outputs                 +22dBu

总谐波失真(THD) Total harmonic distortion(THD)

(1 kHz 35dB gain,20Hz-20kHz bandwidth)

Mic in to insert out      ﹤0.005%

噪声 Noise:  -86 dBu

信噪比Signal to Noise Ratio

通道线路和话筒输入                       82db

监听室输出                               80db

效果/辅助输出                            80db

Equivalent input noise(EIN)

150 ohm termination:      -129.5dBu 20Hz-20kHz

通道串音衰减度 Attenuation(Crosstalk)

Channel Mute switch engaged: -82 dBu

Channel Gain knob down:      -82 dBu

频率响应麦克风Frequency response

20Hz-40Khz     +0dB/-1dB

20Hz-60Khz    +0dB/-3Db

共模比=CMRR 

麦克风输入到发送输出，增益限度。

1kHz                better than -70dB

阻抗Impedances

Mic in :               2.5kilohms

Channel insert return:  2.5kilohms

All other inputs:       10kilohms or greater

Tape out:            1.1kilohms

All other outputs:     120  ohms

均衡EQ

High Shelving :    ±15db@12kHz

Mid Shelving:      ±15db@2.5kHz

Low shelving:      ±15db@80Hz