QSC Audio USA 900 Gain controls, LED indicators, Contrôles de gain, Indicateurs DEL, LED-Anzeigen

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Gain controls

The gain controls are located on the rear panel and are calibrated in dB of attenuation from full gain.

LED indicators

The green LED indicates that the amplifier is operating.

The red LED lights when the channel clips.

Contrôles de gain

Les contrôles de gain sont situés sur le panneau arrière et sont calibrés en dB d'atténuation par rapport au gain maximum.

Indicateurs DEL

La DEL verte indique que l'amplificateur est sous tension.

La DEL rouge s'allume pour indiquer l'écrêtement du signal.

Verstärkungseinstellung

Die Verstärkungseinsteller befinden sich auf der Rückseite und sind in dB-Absenkung gegenüber voller Verstärkung kalibriert.

LED-Anzeigen

Die grüne LED ist die

Betriebsanzeige.

Die rote LED leuchtet bei Übersteuerung.

Controles de ganancia

Los controles de ganancia están situados en el panel trasero y están calibrados en dBs de atenuación relativa a la ganacia máxima del amplificador.

Indicadores LED

El indicador verde se enciende cuando se el amplificador está funcionando.

El indicador LED rojo se enciende cuando el canal está recortando.

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Contents Manuel de ’utilisateur Bedienhandbuch A S e r i e sAddress Explicación de Símbolos Explanation Graphical symbolsExplication des Symbole graphiques Erklärung der BildsymboleDeclaración de Conformidad Declaration ConformityDéclaration de Conformité KorformitätserklärungFront panel USA USA 400 or USA T R O D U C C I Ó N N F Ü H R U N GPanel posterior Rear panelPanneau arrière RückseiteN T a J E U N T I N GN T a G E F E S T I G U N GEntrées Operating voltage AC mainsInputs Tension d’utilisation Alimentation CALimiteur OutputsLimiter SortiesFiltro Pasa Altos High-pass filterFiltre passe haut HochpaßfilterE R a T I O N T R I E BE R a C I Ó N Positions 3 and 6 Limiter CA seulment Circuit breaker 120 VAC amplifiers OnlyFuse 220-240 VAC Amplifiers only Fusible amplificateursIndicateurs DEL LED indicatorsGain controls Contrôles de gainEstéreo, paralelo y Mono puente Parallel, stereo, Bridged monoModes parallèle Stéreo, et mono ponté Bridgé Stereobetrieb, und Mono-BrückenbetriebBRIDGED-MONO Mode Caution O T E C C I Ó N O T E C T I O NSchutz gegen Gleichspannung DC fault ProtectionProtection contre une Anomalie CC Protection entrées/ sortiesTechnische Daten Especificaciones USA EspecificacionesInformación DE G a R a N T Í a Product WarrantyR R a N T Y I N F O R M a T I O N Informations DE G a R a N T I ETelephone Numbers D R E S S L E P H O N E I N F O R M a T I O N

USA 400, USA 1310, USA 900 specifications

QSC Audio, a prominent name in professional audio solutions, offers a range of power amplifiers that are designed to cater to various audio needs. Among its notable models are the USA 400, USA 1310, and USA 900, each engineered with distinct features, technologies, and characteristics that make them suitable for different applications.

Starting with the QSC USA 400, this amplifier is renowned for its compact design and robust performance. Delivering 400 watts per channel at 4 ohms, it is ideal for smaller venues such as clubs, churches, and corporate events. The USA 400 employs advanced thermal management technology, ensuring it remains cool during extended usage. Additionally, its onboard limiter safeguards connected speakers from damage, making it a reliable choice for professionals who prioritize system integrity. Its lightweight design enhances portability, allowing for easy transportation and setup.

Next, the USA 1310 amplifier stands out for its versatility and high power output. With 1,300 watts in bridged mode and excellent stereo performance capabilities, the USA 1310 is suited for larger events and installations. It features QSC's PowerWave technology, which optimizes efficiency and reduces heat generation, contributing to its long operational life. The amplifier also includes flexible input options, accommodating both balanced and unbalanced signals, and features a front-panel LED status indicator, which simplifies the monitoring process during live performances.

Finally, the USA 900 is a powerful and dependable amplifier designed for various audio applications. With up to 900 watts of power, it strikes a balance between performance and efficiency. The USA 900 incorporates a robust power supply and a class H topology, which improves its performance and lowers distortion levels, ensuring high-quality audio output. It also comes with comprehensive speaker protection features and allows for flexible bridging configurations to accommodate diverse sound system setups.

In conclusion, QSC Audio's USA series, comprising the USA 400, USA 1310, and USA 900, offers a range of options for professionals seeking reliability, performance, and versatility in power amplification. Each amplifier is equipped with advanced technologies that ensure high-quality audio while maintaining operational efficiency, making them ideal for a variety of audio environments. Whether for small venues or large events, QSC's commitment to excellence in audio engineering is evident in this impressive lineup.