QSC DCA1222 User Manual page 6

Power Power
8 Ohms/Ch. 4 Ohms/Ch.
20-20 kHz, 20-20 kHz,
Model Channels 0.03% THD 0.05% THD
DCA1222 2 170 W 290 W
DCA1622 2 250 W 450 W
DCA2422 2 375 W 625 W
DCA3022 2 500 W 825 W
DCA3422 2 650 W 1050 W
DCA1824 4 145 W 240 W
DCA1644 4 225 W 450 W*
* 20 Hz–20 kHz @ 1% THD
6
INTRODUCTION
Power
2 Ohms/Ch.
Features
1 kHz,
1% THD
• Five 2-channel and two 4-channel models
600 W
• Barrier strip and Neutrik Speakon™* output connectors
800 W
• Zero inrush current to prevent tripping circuit breakers at turn-on
1200 W
• Data port for crossovers and monitoring
1500 W
• Independent, user-defeatable clip limiters
1700 W
• Fully selectable low-frequency fi lter-ing; choice of 30 or 50 Hz roll-off
450 W
• Stereo (dual-channel), parallel-input, or bridged mono operating modes
—
• Balanced inputs: XLR*, ¼" (6.3 mm) TRS* and "Euro-style" detachable
terminal blocks
• Recessed, detented gain controls with security cover
• Front panel LED indicators for power, signal, -20 and -10 dB, clip/protect,
parallel inputs, and bridged mono mode
• QSC's exclusive high-performance PowerLight switching technology power
supply
* 2-channel models only • 仅限双声道型号
简介
特性
• 五个双声道和两个四声道型号
• 屏蔽带和 Neutrik Speakon™* 输出端连接器
• 零涌入电流，以防止在打开时激发断路器
• 用于跨接和监视的数据埠
• 独立和用户可控的削波限制器
• 完全可选低频滤波；30 或 50 Hz 滚降选择
• 立体声（双声道）、并行输入或桥式单声操作模式
• 平衡输入端：XLR，¼" (6.3 mm) TRS* 和"欧式"可隔离接线盒
• 带有安全盖的凹进式平缓增益控制器
• 电源、信号、-20 和 -10 dB、削波/保护、并行输入端和桥式单
声模式的前面板 LED 指示灯
• 采用 QSC 专有高性能 PowerLight 开关技术的电源