电源供应:AC 100-250V~50/60Hz 额定电压:100Hz-12.5Hz 输入阻抗:LINE:50KΩ PBIN:50KΩ 信噪比:100dB (1KHz THD1%) 输出阻抗:REC:200Ω LINE:200Ω / BALANCE: 300Ω / UNBALANCE: 400Ω