QSC Audio PLX 1104 user manual Rear Panel, Rack Mounting

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Rear Panel

1- Input Configuration switch

7- Cooling air inlet vents

2- 1/4-inch TRS input connectors

8- Clip Limiter switch

3- XLR female input connectors

9- Serial number plate

4- Low Frequency Filter switches

10- IEC-type AC mains inlet

5- Speakon output connectors

11- Circuit breaker, resettable

6- Binding post output connectors

 

Rack Mounting

Use four screws and washers to mount the amplifier to the equipment rack rails. To use the amplifier outside a rack, attach the self-adhesive rubber feet to the bottom.

For portable, mobile, or other applications where the rack assembly may be moved, we strongly recommend support- ing the rear of the amplifier. A rear rack ear kit is available from QSC’s Technical Services Group.

The cast front panel includes finger grips at each end, mak- ing lifting and setting into the rack more comfortable.

The front panel casting includes features for finger-lifting and gripping at each end.

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Contents PLX Series Professional Audio Amplifiers PLXImportant Safety Precautions & Explanation of Symbols FCC Interference StatementUnpacking IntroductionFront Panel Rear Panel Rack MountingAC Mains Connection CoolingAC Mains Current Draw Clip Limiters PLX 1802/2502/3102/3602 models only Low Frequency Filters PLX 1802/2502/3102/3602 models onlyInputs XLR TRSSpeakon Output Connectors OutputsLED Indicators Power PWR BlueSignal SIG, -10 Green Clip REDPower Switch Gain ControlsProtection Systems PLX 1802/2502/3102/3602 modelsSpecifications PLX 1104, PLX Specifications PLX 1802, PLX 2502, PLX 3102, PLX InputAppendix a Speakon Wiring Reference Page Mailing address
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PLX 1104 specifications

The QSC Audio PLX 1104 is a versatile and powerful power amplifier designed to meet the demands of live sound applications, installations, and more. Renowned for its exceptional performance and reliable operation, the PLX 1104 has become a preferred choice for sound engineers and audio professionals alike.

One of the standout features of the PLX 1104 is its lightweight design. Weighing in at just 10.5 pounds, this amplifier is easy to transport and install, making it ideal for mobile applications. Its compact form factor allows for efficient use of space in equipment racks and allows for quick setups and takedowns during events.

The QSC PLX 1104 outputs an impressive 1,000 watts per channel at 8 ohms and 1,200 watts at 4 ohms, providing ample power for driving a wide range of loudspeakers. This capability makes it suitable for various applications, from small clubs to larger venues requiring robust sound reinforcement. The amplification system utilizes a high-efficiency design that significantly reduces power consumption and heat generation, enhancing reliability and longevity.

In terms of connectivity, the PLX 1104 features balanced XLR inputs and Neutrik Speakon outputs, ensuring compatibility with a broad array of sound systems. Its intuitive control layout, including a rear-mounted gain control for each channel, allows for easy dial-in of the desired output level.

The PLX 1104 employs QSC's advanced proprietary technology to deliver exceptional audio quality. This includes sophisticated output transistors and a high-frequency protection circuit, ensuring that the amplifier provides clean and undistorted sound, even at high output levels. Furthermore, the built-in thermal management system helps to prevent overheating, further increasing the reliability of the amplifier in demanding environments.

Additional features of the PLX 1104 include a switchable low-frequency filter that can help to improve the overall clarity of sound, particularly in live sound scenarios where low-end muddying can occur. The amplifier is also equipped with a front-panel LED status indicator that serves as a visual cue for the operational status of the unit.

In summary, the QSC Audio PLX 1104 is a testament to modern amplifier technology, combining lightweight portability with powerful performance and rich features. Its ability to deliver high-quality audio while being exceptionally user-friendly makes it a go-to solution for audio professionals who require both reliability and flexibility in diverse sound reinforcement situations.
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