QSC RMX 5050 User Manual

Pages 10

Year 2003

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of 10

QSC RMX 5050 Specification

The QSC RMX 5050 Amplifier is a high-performance power amplifier designed to deliver optimal audio quality and reliability for professional sound reinforcement applications. It features a robust and efficient Class H architecture, which significantly enhances its power-to-weight ratio while ensuring minimal heat production and high operational efficiency. The amplifier provides an impressive output power of up to 1800 watts per channel at 4 ohms and 5000 watts in bridged mono mode at 4 ohms, catering to a wide range of demanding audio environments.

Equipped with comprehensive protection circuitry, the RMX 5050 ensures long-term durability and reliability by safeguarding against overheating, short circuits, DC faults, and subsonic frequencies. The rear panel hosts XLR and 1/4" TRS input connectors for flexible connectivity, along with Speakon and binding post outputs for secure speaker connections. Front-panel LED indicators provide at-a-glance status updates on signal presence, clipping, and protection activation.

The amplifier's sleek design includes a rugged 3U rack-mountable chassis, featuring a variable-speed fan for efficient cooling. Its balanced design incorporates toroidal transformers, which reduce magnetic interference and enhance audio fidelity. The RMX 5050 supports stereo, parallel, and bridged mono operating modes, offering versatility for various system configurations. With a frequency response ranging from 20 Hz to 20 kHz and a total harmonic distortion of less than 0.05%, the RMX 5050 maintains high audio clarity across all volume levels. This amplifier is engineered for professional audio applications requiring robust power, reliability, and high sound quality, making it an ideal choice for large venues, concerts, and touring systems.

QSC RMX 5050 F.A.Q.

How do I properly connect my QSC RMX 5050 amplifier to my sound system?

To connect the QSC RMX 5050, ensure that your audio source is connected to the amplifier's input using balanced XLR or 1/4" TRS cables. Connect your speakers to the output terminals using proper gauge speaker wire, ensuring correct polarity.

What is the best way to troubleshoot if my QSC RMX 5050 is not powering on?

First, ensure the power cord is securely connected and check the outlet for power. Verify that the amplifier's power switch is in the "on" position. If the unit still does not power on, check the fuse and replace it if necessary.

How can I prevent my QSC RMX 5050 from overheating during operation?

Ensure the amplifier is in a well-ventilated area with unobstructed airflow. Avoid stacking other equipment on top of it and regularly clean the air filters and vents to prevent dust buildup.

What maintenance steps are recommended for the QSC RMX 5050 amplifier?

Routinely inspect and clean the exterior and vents of the amplifier. Check all connections and cables for wear and tear. Periodically test the amplifier to ensure it is functioning properly and, if necessary, consult a professional technician for internal cleaning or servicing.

How can I set the QSC RMX 5050 to operate in bridge mono mode?

To set the RMX 5050 in bridge mono mode, turn off the amplifier, use the rear panel switches to set the mode to 'Bridge Mono,' and connect the speaker load across the two red output binding posts. Ensure only one input is connected to channel 1.

What are common causes of distortion in the QSC RMX 5050 and how can they be fixed?

Distortion can be caused by input signal clipping, overloading the amplifier, or faulty cables. Ensure that input levels are within the acceptable range and check all connections. Adjust the gain settings to prevent clipping.

How can I identify if my QSC RMX 5050 is in need of repairs?

Signs that the amplifier may need repairs include unusual noises, persistent overheating, failure to power on, or visible damage to the unit. If any of these occur, consult a certified technician for evaluation and repairs.

What power requirements should I be aware of when using the QSC RMX 5050?

The RMX 5050 requires a stable AC power source with sufficient current capacity. Ensure the outlet can handle the amplifier's power draw and avoid using extension cords or power strips that cannot support its requirements.

How do I perform a reset on the QSC RMX 5050 amplifier?

The QSC RMX 5050 does not have a specific reset button. To reset the amplifier, turn it off, disconnect it from the power source, wait a few minutes, and then reconnect and power it back on.

Can the QSC RMX 5050 be used with both 4-ohm and 8-ohm speakers?

Yes, the QSC RMX 5050 is compatible with both 4-ohm and 8-ohm speakers. Ensure that the amplifier's output power matches the speakers' power handling capacity to avoid damage.