53

增益控制,通道1、通道2

 

标记显示的衰减单位为 dB。 对于正常使

 

用,将控制器保持在其范围中上半区(衰减

机架安装

不超过 10 dB)。 如果设置在下半区,在

安装标准的 19 英寸机架,2RU。

放大器还没达到最大功率前声源可能已经

接受 #10 或 6 毫米螺钉,

过载。

如齿轨所确定。

 

 

添加后支撑以防损坏便携装置。

SCH

红色削波 LED

红色闪动表示放大器正在过载。 过载过大会触发内部增益减少,以降低过载失 真。 信号电平回复正常后,返回正常增益。 如果红色的 LED 仍然亮起,请参 见故障排除部分。

绿色信号 LED

绿色 LED 在软信号 (-35 dB) 开始闪动,如果信号电平上升,则变成稳定的绿 色。

蓝色电源 LED

蓝色 PWR(电源)LED 表示交流开关开启,放大器接入电源。 两秒钟后即可使 用。

交替增益标记

如果分频开关处于活动状态(见后面板), LF(通道 1)控制低频(亚低音扬声器), HF(通道 2)控制高频(中高音箱)。

Page 53
Image 53
QSC Audio GX3, GX5, GX7 user manual 增益控制,通道1、通道2

GX3, GX5, GX7 specifications

QSC Audio has established itself as a leader in professional audio solutions, and its GX series of power amplifiers—GX7, GX5, and GX3—reflect the brand's commitment to quality and performance. These amplifiers are designed to deliver reliable, high-quality sound reinforcement, meeting the demands of musicians, DJs, and audio engineers alike.

The QSC GX7 is a robust amplifier capable of delivering 1,000 watts per channel at 4 ohms, making it an excellent choice for larger venues or events where powerful sound output is essential. It features QSC's PowerLight technology, which provides high efficiency and a lightweight design, ensuring portability without sacrificing power. The GX7 also includes an advanced clip limiter that protects the system from distortion, while maintaining audio clarity. Its rear panel features XLR and TRS inputs, allowing for versatile connectivity options.

Next in the lineup is the GX5, a mid-range amplifier that offers 700 watts per channel at 4 ohms. It strikes a perfect balance between performance and size, making it suitable for both small to medium-sized events or as part of a larger sound system. Like the GX7, it adopts the PowerLight technology for energy efficiency, and its durable construction ensures reliability in diverse environments. The GX5 also comes equipped with a low-frequency protection circuit that safeguards speakers from over-excursion, preserving sound quality throughout usage.

The smallest of the series, the GX3, delivers 500 watts per channel at 4 ohms. Ideal for smaller venues, mobile applications, or as monitors in a studio setting, the GX3 shares many of the same technologies as its larger counterparts, including the PowerLight design and a comprehensive protection system. Its front-to-back ventilation helps maintain thermal stability, enhancing performance during longer sessions.

All three models incorporate a design philosophy emphasizing user convenience and flexibility. The amplifiers feature an intuitive rear panel layout that simplifies setup and operation, while their lightweight design makes them easy to transport. QSC’s innovative technology ensures consistent performance and durability, making the GX series a trusted choice for professionals.

In summary, the QSC Audio GX7, GX5, and GX3 amplifiers deliver impressive power, solid build quality, and advanced features tailored for a variety of audio applications. Whether powering large PA systems or small setups, these amplifiers embody QSC's dedication to audio excellence and reliability.