EQ231双31段双通道图式均衡器，具有阻抗平衡1/4TRS,XLR，不平衡RCA输入/输出，+6dB或+/-12dB增益选择。它增加了更多的频率控点在更细致的范围内节减少驻波，提升或衰减选定频段，达到更完美的音乐效果。‘
EQ231 dual 31 channel dual channel equalizer, with impedance balanced XLR, 1/4TRS, unbalanced RCA input / output, +6dB or +/-12dB gain selection. It adds more frequency control points in a more detailed range of nodes to reduce standing waves, enhance or attenuate selected frequency bands, and achieve a more perfect music effect. "
技术参数：
• 结构：20段2U
• 信道分离：RF Filtered Servo-balanced Input
• 频率响应：20Hz~20KHz,+0/-0.5dB
• 恒定Q值增益衰减：±12dB
• 低频切切除滤波器：12dB衰减，设在40Hz可开关选择
• 工作电平：-100dBu~+4dBu
• 输入阻抗：40KΩ平衡，20KΩ不平衡
• 最大输出电平：+21dBu
• 输入电平控制：-12dB~+12dB
• 输出阻抗：51KΩ平衡，120KΩ不平衡
• 输出电平显示：LED光柱表：-10dB,0dB,+10dB和18dB
• 总谐波失真：＜0.003%@1KHz
• 信噪比噪（rof.0.775rms）：＞90dB
• 供电：AC200V/50Hz
Technical parameters:
- structure: 20 2U
- RF Filtered Servo-balanced Input: channel separation
- frequency response: 20Hz~20KHz, +0/-0.5dB
- constant Q value gain attenuation: + 12dB
Low - cut filter: 12dB attenuation in resection of 40Hz switch
- job level: -100dBu~+4dBu
Input impedance: 40K ohm balanced, unbalanced 20K.
Maximum output level: +21dBu
- input level: -12dB~+12dB
Output impedance: 51K balance, 120K imbalance
Output level: LED - display light: -10dB, 0dB, +10dB table and 18dB
Total harmonic distortion: < 0.003%@1KHz
Signal to noise ratio (rof.0.775rms): > 90dB
Power supply: AC200V/50Hz
