增益控制安全板, 热损表 | QSC Audio CX204V, CX602V, CX404, CX902, CX702, CX302

增益控制

增益控制隐藏，可以用小型螺丝刀或平板工具进行调整。如果需要，可以安装增益控制安全盖板，防止改动安装者的设置。

顺时针转动增益控制会增大增益；逆时针转动则减小增益。型号不同，放大器的最大电压增益也不同。各型号的最大电压增益显示在前面板标签上的括号中，靠近 0dB 衰减设置。

增益控制按分贝 (dB) 衰减。有 21 个制动器可进行重复调试。上面的 14 步大约是每步 1 dB，正常的设置应该在这个范围内。低于 -14 dB 的范围不能用于正常程序电平，因为输入净空可能被超过，但可在降低电平下测试。在最小设置下，信号完全被切断。

双通道型号上的增益控制。不同型号具有不同的标记。

四通道型号上的增益控制。不同型号具有不同的标记。

增益控制安全板

该盖板防止改动增益设置。仍然可以看到监视系统运行的 LED 指示器。

1. 使用 9/64" 或 3.5 mm 六角扳手将螺丝松

开几圈。不要完全松开。

2. 滑动松开螺丝下盖板的右端。

3. 插入左端标签到最后一排通风槽，将面板全部推到右面。锁入插槽内。

4.确定可通过盖板看到 LED。小心地拧紧六角螺丝。

热损表

此表格列出各型号的典型热损，单位： BTU/ 小时和千卡 / 小时，，为负载和输出功率等级的函数。

	-1/8 功率（粉红噪音）表示偶尔限幅的典
所示 CX902 装有增益控制安全板。	型程序。此额定值可用于大多数情况。
所示 CX902 装有增益控制安全板。

CX302, CX1202V, CX502, CX702, CX1102 specifications

QSC Audio has established itself as a leader in professional audio solutions, and their CX series amplifiers, including the CX204V, CX254, and CX404, stand out for their performance and versatility. These amplifiers are specifically designed to meet the needs of commercial audio applications, such as in venues, corporate environments, and educational institutions.

The CX204V is a 2-channel amplifier that delivers 200 watts per channel at 4 ohms, making it ideal for smaller venues or installations that require high-quality audio without overwhelming power. One of its key features is the inclusion of built-in DSP (Digital Signal Processing) capabilities, allowing users to optimize their sound with advanced filtering and equalization options. Additionally, the amplifier supports a range of input options, including balanced XLR and 1/4-inch connectors, providing flexibility for various audio setups.

Moving to the CX254, this 2-channel amplifier boosts power output to 250 watts per channel at 4 ohms, making it suitable for larger spaces that necessitate a bit more oomph. The CX254 also includes QSC’s Power Factor Correction technology, which ensures efficient power usage and greater amplification performance, even during demanding situations. Furthermore, it features RS-232 control capabilities, providing users with remote operation options and making integration into existing audio systems seamless.

The CX404 takes things a step further with its 4-channel configuration, delivering 200 watts per channel at 4 ohms. This amplifier is particularly well-suited for multi-zone applications where audio needs to be distributed across various areas. With its advanced overheating protection and short-circuit protection features, the CX404 is built for durability and reliability, ensuring consistent performance without the risk of damage during extended use.

All three amplifiers in the CX series include QSC's innovative Class D topology, offering lightweight and compact design without sacrificing power or audio quality. The CX series is also distinguished by its robust construction, including a rugged chassis designed to withstand the rigors of installation and performance use.

In summary, the QSC Audio CX204V, CX254, and CX404 seamlessly combine power, efficiency, and versatility, making them ideal choices for a variety of commercial audio applications. Their built-in technologies, advanced features, and solid construction emphasize QSC’s commitment to delivering exceptional sound experiences.