DR2大功率系列开关电源功放

DR2系列大功率功能特点/Features:
◆ 超大容量的开关电源功放
◆ 自动限幅输出、短路、过载、过温、开机延时等保护功能
◆ 功放配备延时启动系统,保护音箱不受冲击而损坏
◆ 后板配备双通道、单通道输出转换
◆ 平衡输入接口
◆ SPEAKON输出连接器
◆ 483MM标准机架结构
◆ 功放部分开关电源部分都有单独的冷却系统
◆ 散热风扇采用先进的无级变速电路控制
◆ 1U设计、机身轻、方便携带和安装
 
DR2系列大功率功能特点/Features:
◆ Large-capacity switching power amplifier
◆ Automatic slicer output short circuit, overload, over temperature, start delay and other protection
◆ Amplifier with delay start system, protect the speakers from shock and damage
◆ After the plate is equipped with dual-channel, single channel, the bridge output conversion
◆ Balanced inputs
◆ SPEAKON output connector
◆ 483MM standard rack structure
◆ Switching power amplifier section has a separate section of the cooling system
◆ Cooling fan uses advanced CVT circuit control
◆ 1U design, body light, easy to carry
 
DR2系列大功率技术参数/Specification:
型号/Model:TR2550,TR2650,TR2750,TR2850
输出/Output (8Ω、1kHz):2x550W,2x650W,2x750W,2x850W
输出/Output (4Ω、1kHz):2x900W,2x1050W,2x1200W,2x1400W
桥接/Bridge(8Ω、1kHz):无桥接功能
频率响应/Frequency Response:20Hz~20kHz  ±3dB
总失真/Total Distortion:
1%(8Ω、550W时),1%(8Ω、650W时),1%(8Ω、750W时),1%(8Ω、850W时)
输入灵敏度/Input Sensitivity:+4dB * (1.23V)
输入阻抗/Input Impedance:10kΩ(电子平衡式/Balanced)
信噪比/S/N Ratio:≥80dB
连接端子Connector:
输入(CH1-2):XLR输入连接器;输出(CH1-2):SPEAKON输出端;电源: AC电源Input(CH1-2):XLR Input Connector;Output(CH1-2):SPEAKON Output; Power: AC power supply.
显示灯Indicator Lights:
电源显示灯x1(绿色); 输入显示灯x 2(黄色); 峰值显示灯x 2(红色); 保护回路动作显示灯x 1(红色)Power Indicator x 1 (Green), Input Indicator x 2 (Yellow), Peak Indicator x 2(Red); Feedback Protect Indicator x 1(Red)
电源电压/Power Supply Voltage:
AC110~120V、50/60Hz AC220~240V、50/60Hz(利用内部跳线切换/Via inside jumping switch)
1/8 额定动作时消耗功率1/8 Rated Activity Consumed Power:180W,210W,245W,275W
使用环境的温度范围Working Temperature Range:0~50℃
使用环境的湿度范围Working Humidity Range:
90%RH以下/Under 90% RH (但不可结露/But it can not be condensation )
尺寸/Dimensions:483 x 45 x 355 (mm)
净重/Net Weight:5.6kg