◆ DH4系列功能特点/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;
◆ 双、桥接或并行操作开关在后面板上;
◆ 风扇转速随散热器温度变化而变化,有效地降低风扇噪音;
◆ 功放部分开关电源部分都有单独的冷却系统;
◆ 输入有单通道,立体声,模式选择;
◆ 双XLR输入连接器;
◆ 双接线柱,SPEAKON输出连接器;
◆ 483MM标准机架结构;
◆ SMT贴片生产工艺,产品性能稳定;
◆ 2U设计、机身轻、方便携带和安装;
DH4系列功能特点/Features:
◆ Large-capacity switching power amplifier.
◆ Auto limiting output; short circuit overload, over temperature, start delay and other protection;
◆ Amplifier with delay start system, protect the speakers from shock and damage;
◆ Double, bridge or parallel operation switch on the rear panel;
◆ Radiator fan speed with temperature changes, effectively reduces the fan noise;
◆ Switching power amplifier section has a separate section of the cooling system;
◆ There is a single channel input, stereo, mode selection;
◆ Dual XLR input connector;
◆ Double terminal, SPEAKON output connector;
◆ 483MM standard rack structure;
◆ SMT stable chip production technology, product performance;
◆ 2U four-channel design, the body light and easy to carry;
DH4系列技术参数/Specification:
型号/Model:DH4600,DH4800,DH41000
输出/Output (8Ω、1kHz):4x600W,4x800W,4x1000W
输出/Output (4Ω、1kHz):4x900W,4x1200W,4x1500W
桥接/Bridge(8Ω、1kHz):2x1800W,2x2400W,2X3000W
粉红噪声12dB峰值系数4ΩPink Noise 12dB peak factor4Ω:
4x1200W,4x1700W,4x2100W
频率响应/Frequency response Power Bandwidth ±0.25dB:20Hz-20kHz
相位响应/Phase response@ 1 watt 20Hz-20kHz:±15 deg
总谐波失真/T.H.D (20Hz-20kHz):<0.05%
互调失真(SMPTE)Intermodulation distortion:<0.05%
串音/Crosstalk (20Hz-20kHz):>75 dB
转换速率/Slew Rate:>65 V/μs
阻尼系数/Damping Factor (20Hz-1kHz):>800
电压增益/Voltage gain:26/32/38dB
灵敏度(额定功率 8Ω)Sensitivity (rated power 8Ω):
3.9/1.9/1V,4.5/2.2/1.1V,5.1/2.6/1.3V
信噪比(A加权)S/N (A weighted):113dB,116dB,118dB
AC 230 V - 50 Hz (idle):0.5A
4Ω (1/8 rated power):9A ,11.5A,15A
尺寸/Dimensions W x H x D (mm):
483x89x460,483x89x460,483x89x460
重量/Weight:12.0kg,12.0kg,12.0kg