Speaker Damage, Speaker Output Shock Hazard

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION: To reduce the rish of electric shock, do not remove the cover. No user-serviceable parts inside. Refer servicing to qualified service personnel.

WARNING: To prevent fire or electric shock, do not expose this equipment to rain or moisture.

AVIS

RISQUE DE CHOC ÉLECTRIQUE

NE PAS OUVRIR

ATTENTION: Pour eviter les risques de choc électrique, ne pas enlever le courvercle. Aucun entretien de pièces intérieures par l’usager. Confier l’entretien au personnel qualifié.

AVIS: Pour eviter les risques d’incendie ou d’électrocution, n’exposez pas cet article à la pluie ou a l’humidité.

VORSICHT

GEFAHR EINES

ELEKTRISCHEN SCHLAGES.

NICHT ÖFFNEN!

VORSICHT: Um das Risiko eines elektrischen Schlages zu vermindern, Abdeckung nicht entfernen! Keine Benutzer Wartungsteile im Innern. Wartung nur durch qualifiertes Wartungspersonal.

WARNUNG: Zur vermeidung von Feuer oder elektrischen Schlägen, das Gerät nicht mit Regen oder Feuchtigkeit in Berührung bringen!

SAFEGUARDS

Electrical energy can perform many useful functions. This unit has been engineered and manufactured to assure your personal safety. Improper use can result in potential electrical shock or fire hazards. In order not to defeat the safeguards, observe the following instruc- tions for its installation, use and servicing.

PRECAUTIONS

L’énergie électrique peut remplir de nombreuses fonctions utiles. Cet appariel a été conçu et réalisé pour assurer une sécurité personnelle entiére. Une utilisation impropre peut entraîner des risques d’électrocution ou d’incendie. Dans le but de ne pas rendre inutiles les mesures de sécurité, bien observer les instructions suivantes pour l’installation, l’utilisation et l’entretien de l’appareil.

I. WARNING NOTICES

SPEAKER DAMAGE

The MXa Series amplifiers are among the most powerful professional amplifiers available and is capable of pro- ducing much more power than many loudspeakers can handle. It is the user’s responsibility to use suitable speakers with the amplifier and to use them in a sensible way that will not cause damage.

QSC will not be responsible for blown speakers. Consult the speaker manufacturer for power-handling recom- mendations.

Either channel of the MX 3000a amplifier has special clip- limiting protection circuitry that reduces the signal level at the onset of heavy clipping. This not only allows the amplifier to operate at a high average power level without audible distortion occurring, but it also prevents the speakers’ being destroyed by excessive clipping. How- ever, if the amplifier is operating normally and your speakers fail anyway, it is virtually certain that they could not handle the high power, despite the lack of clipping.

Even if you reduce the gain using the amplifier’s front panel attenuator controls, it is still possible to reach full output power if the input signal level is high enough.

A single high-power crescendo can blow high-frequency drivers almost instantaneously, while low-frequency driv- ers can usually withstand very high, continuous power levels for a few seconds before they fail. Reduce power immediately if you hear any speaker “bottoming out”— harsh pops or cracking distortion that indicate that the speaker voice coil or diaphragm is striking the magnet assembly.

QSC recommends that you use amplifiers of this power range for more headroom (cleaner sound) rather than for increased volume.

SPEAKER OUTPUT SHOCK HAZARD

An MXa amplifier is capable of producing hazardous output voltages. To avoid electrical shock, do not touch any exposed speaker wiring while the amplifier is operat- ing.

RACK MOUNTING PRECAUTIONS

In portable racks, to avoid damage to either the amplifier mounting ears or the mounting rails, support the amplifier at all four corners. Contact the QSC Customer Service Department to order rear support brackets.

MX2000a, MX 1000a, MX 1500a, MX3000a specifications

The QSC MX series amplifiers, including the MX3000a, MX1500a, MX1000a, and MX2000a, are designed to deliver outstanding audio performance, making them popular choices in both professional audio and live sound environments. Each model combines high-quality components with innovative technologies, ensuring reliability and consistency in sound reproduction.

The MX3000a stands out with its powerful output, featuring an impressive peak power of 3000 watts at 4 ohms. It excels in larger venues, providing the headroom needed for demanding audio applications. The amplifier is equipped with advanced thermal management technology and a built-in limiter to ensure safe operation under heavy loads, automatically adjusting output levels to prevent distortion and potential damage to connected speakers.

The MX1500a is an ideal choice for mid-sized applications, delivering 1500 watts at 4 ohms. This model incorporates QSC’s rugged construction, featuring a sturdy chassis and efficient heat dissipation to withstand the rigors of professional use. With its versatile input options, including XLR and quarter-inch connectors, the MX1500a can easily integrate into various audio setups, making it suitable for both live sound reinforcement and permanent installations.

For more compact needs, the MX1000a provides 1000 watts of power at 4 ohms while maintaining exceptional sound clarity. Its lightweight design and efficient power supply make it easy to transport, catering to mobile DJs, small bands, and corporate events. The MX1000a includes a comprehensive set of LED indicators for power, signal, and clipping, allowing users to monitor performance easily.

Lastly, the MX2000a offers a versatile solution with 2000 watts of output at 4 ohms. This amplifier features a high-performance class-H design, ensuring minimal heat generation and improved efficiency. Its dual-channel configuration allows for flexibility in powering two separate speaker systems or bridging the channels for a single high-power output.

All models in the QSC MX series emphasize durability, high-quality sound, and flexible connectivity, making them suitable for a wide range of professional audio applications. With built-in protection circuits, efficient cooling systems, and ease of use, the MX series amplifiers are trusted by audio professionals for their reliability and performance, ensuring that they meet the demands of any event or installation.