频率响应:10Hz-50KHz-1.5dB; 外形尺寸:482×510×132 (570×525×225); 电源电压:AC 115V/230V 50-60Hz ; 重量:20.5kg/22.6kg ; B-450X性能参数 Output power STEREO 8 ohms TA 1KHz THD≤1% 4 ohms BRIDGE 8 ohms 400W+400W 600W+600W 1200W Frequency response 10Hz-50KHz-1.5dB Input sensitivity 0.77V/26dB/1.4V Maximum input level 21dBV/9V Input impedance active balanced 20K OHMS Signal/noise ratio a-weighted RMS >100dB Crosstalk at rated output power 8 ohm 1KHz >70dB Damping factor f=1Khz 8 ohms >200 Slew rate internal 40V/μS Protection SHORT CIRCUIT, SURRENT LIMITED DC FAULT, AC LINE FUSE, THERMAL CUT OFF, POWER UP/DOWN TRANSIENTS, SLOW START Indicators POWER(BLUE) PROTECT (YELLOW) CLIP (RED) BRIDGE (GREEN) PARALLEL (GREEN) Cooling Variable speed fan Front panel controls Level ach,bch power switch Rear panel controls STEREO/BRIDGE/PARALLEL MODE SWITCH, 0.77V/26dB/1.4V INPUT SENSITIVITY SWITCH, GROUND/LIFT SWITCH Connector BAL XLR INPUT, BAL1/4 INPUT, 5 WAY B INDING POST, SPEAKON Power consumption half power 8 ohms 540W Power supply AC 115V/230V 50-60Hz Dimensions (W×D×H)mm 482×510×132 (570×525×225) N.W/G.W 20.5kg/22.6kg B-450X性能特点 ◆外观独特,立体感强 ◆独特的环形变压器 ◆极好的软启动功能 ◆立体声、桥接、单声道并联三种工作方式 ◆平衡输入、输出接口 ◆专业的绑定输出连接端子