QSC Audio DCA 1222 user manual N F Ü H R U N G T R O D U C C I Ó N, Digital Cinema Amplifiers

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I N T R O D U C T I O N

A V A N T - P R O P O S

E I N F Ü H R U N G

I N T R O D U C C I Ó N

Left: the front panel of a DCA amplifier

A gauche: le panneau avant d’un amplificateur DCA

Links: die Vorderseite eines DCA-Verstärkers

Izquierda: el panel frontal de un amplificador DCA

Right: a DCA amplifier with security panel installed

A droite: le panneau avant avec plaquette protectrice installée

Rechts: ein DCA-Verstärker mit Sicherheitsabdeckung

Derecha: un amplificador DCA con el panel de seguridad instalado

© Copyright 1998, 1999, 2005, QSC Audio Products, Inc.

QSC® is a registered trademark of QSC Audio Products, Inc.

“QSC” and the QSC logo are registered with the U.S. Patent and Trademark Office.

All other trademarks are the property of their respective owners.

Specially designed for cinema

applications, the DCA Series

Digital Cinema Amplifiers

combine QSC's PowerWave technology and a refined audio structure to provide studio-quality performance with touring-quality reliability. These fan-cooled, 2-RU, amps provide unprecedented power in a strong, compact chassis.

In addition to the five two-channel models, two new full-featured four- channel models offer very compact solutions for multi-channel cinema audio amplification. The four channels of the DCA 1824 and DCA 1644 are arranged so that like the two-channel versions, they can be operated in parallel and bridged mono, pairing Channel 1 with Channel 2, and Channel 3 with Channel 4.

Spécifiquement conçus pour les

applications de cinéma, les

amplificateurs de série DCA pour

cinéma numérique combinent la technologie de circuit d’alimentation à découpage Power-Wave de QSC à des circuits audio de haute performance, qui allient la qualité sonore des amplificateurs de studio

àla robustesse des amplificateurs de tournée. Ces amplificateurs sont refroidis par ventilateur, n’occupent que deux espaces verticaux dans les bâtis, et fournissent un niveau de puissance sans précédent dans un châssis robuste et compact.

Aux 5 modèles à deux canaux viennent s'ajouter 2 modèles à 4 canaux qui offrent une solution très compacte pour les installations de cinéma multi-canal. Les quatre canaux des amplificateurs DCA 1824 et DCA 1644 sont arrangés de façon

àce que, comme les amplis 2 canaux, ils puissent être utilisés en mode parallèle ou ponté mono, joignant les canaux 1 et 2, ou les canaux 3 et 4.

Speziell für Kinoanwendung entwickelt,

bietet die DCA- (Digital Cinema

Amplifiers) Serie die PowerWave.

Technik in Verbindung mit

studiotauglicher Tontechnik und

Zuverlässigkeit aus dem harten

Tourneegeschäft. Diese lüftergekühlten

Verstärker im 2 HE-Chassis bieten

unvergleichliche Leistung in einem

äußerst kompankten und robusten

Gehäuse.

Zusätzlich zu den fünf Zweikanal-

Verstärkern eröffnen zwei neue

Vierkanal-Verstärker neue

Möglichkeiten für Mehrkanal-

Kinoverstärkung. Die jeweils vier

Kanäle der DCA-1824 und DCA-

1644 können wie auch die

Zweikanal-Versionen im Parallel-

und Mono-Brückenmodus betrieben

werden, z.B. Kanal 1 mit Kanal 2,

und Kanal 3 mit Kanal 4.

Especialmente diseñados para

aplicaciones en cines, la serie de

amplificadores DCA Series Digital

Cinema Amplifiers combina la tecnologia PowerWave y una estructura de audio que proporciona calidad de estudio con la confiabilidad de sistemas para giras. Estos amplificadores con enfriamiento por ventiladores y que ocupan dos espacios en un rack, ofrecen una increíble potencia en un compacto y resistente armazón.

Además de los cinco modelos de dos canales, tenemos dos nuevos modelos de cuatro canales con características completas, ofreciendo así, soluciones prácticas para la amplificación de canales múltiples de audio en cinemas. Los cuatro canales de los DCA1824 y DCA1644 están dispuestos de la misma forma que en las versiones de dos canales, y pueden operarse en paralelo y en mono puenteado, uniendo el canal 1 con el canal 2, y el 3 con el 4.

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Contents TD-000075-00 Rev. E Manuel de l’utilisateur Bedienhandbuch Manual del UsuarioImportant Safety Precautions & Explanation of Symbols Symboles graphiques Bildsymbole Explicación de símbolosExplication des Erklärung derTabla DE LAS Materias Table of Contents Table DES Matières InhaltsverzeichnisEC Declaration of Conformity For Model PLX, DCA, and CX Professional Power AmplifiersReorient or relocate the receiving antenna ManufacturerRechts ein DCA-Verstärker mit Sicherheitsabdeckung N F Ü H R U N G T R O D U C C I Ó NDigital Cinema Amplifiers Bietet die DCA- Digital CinemaN F Ü H R U N G FeaturesCaractéristiques AusstattungsmerkmaleFront panel LED-Anzeige für CLIP, -10 dB, -20 dB und Signal alle KanälePanneau avant VorderseitePanneau arrière Rear panelRückseite Panel posteriorLimitador de picos Clip limiterLimiteur décrêtement Filtres dentrée Input filterEingangsfilter Filtro de entradaMode entrées parallèles Parallel input modeAusstattung ParallelbetriebMode entrées parallèles Mode ponté mono Bridge mono modeMonobrückenbetrieb Modo puenteado en monoBridge mono mode Mode ponté mono suiteMonobrückenbetrieb Fortsetzung Modo puenteado en mono continuaciónParallel input mode Stereo modeMode stéréo Mode parallèlePrecautions Bridge Mono modeMode ponté mono PrécautionsLarrière de lamplificateur, tout Rack railsRear rack mounting ear kits are Available from QSC’s technicalInputs Entrées Eingänge Entradas N N E X I O N S a N S C H L Ü S S ES C H L Ü S S E N N E X I O N SEntrées suite Mm mono Tip Sleeve fermera le circuit sans modificationSorties Speakon Speakon OutputsSpeakon Ausgänge Salidas SpeakonBornes à vis Barrier strip outputsSalidas de barrera SchraubklemmanschlußPort de données DataPortNetzanschluß DataPort puerto de datosI L I S a T I O N Plaquette de sécurité Security panelSicherheitsabdeckung Panel de seguridadSafe operating levels Fan coolingVentilation LüfterkühlungP L I C a T I O N S I S P I E L EGoing 3 ways with a single 4-channel amplifier P L I C a T I O N S a P P L I C a T I O N SP L I C a T I O N S P a N N a G E Problema no hay sonidoIndication DEL Power No hay sonido continuación Indication signal LEDsPas de son suite Sound Distortionné Distorsionado Problem no channelSeparation KanaltrennungFeedback Effet Larsen Rückkopplungen Retroalimentación Problem Pfeifen undZischen La tecnología PowerWave. Los PowerWave TechnologieLa technologie PowerWave Inner WorkingsTerminals, improving damping High-current design and specialCoefficient damortissement et le Devices are directly mounted toTechnische Daten Especificaciones Output Power in wattsDCA1824 DCA1644 Output Power in wattsBoth channels driven DCA1222 DCA1622 DCA2422 DCA3022 DCA342214.0 35.6 cm deep rack mounting to rear support ears DCA1824 DCA1644Shipping 27 lbs 12.3 kg Net 21 lbs 9.5 kg Disclaimer Warranty InformationDécharge HaftungserklärungTelephone Numbers Mailing addressFacsimile Numbers World Wide Web Mail
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DCA 1222 specifications

The QSC Audio DCA 1222 is a powerful digital amplifier designed for professional audio applications. Known for its reliability and performance, the DCA 1222 is ideal for live sound, installations, and touring environments. This amplifier offers a seamless blend of advanced technologies and user-friendly features, making it a top choice among audio engineers and sound professionals.

One of the standout features of the DCA 1222 is its robust power handling capability. With a power output of 2,200 watts, it can drive a variety of speaker systems, making it versatile enough for different setups. The amplifier provides two channels, allowing for flexible system configurations. Each channel can deliver a solid 1,100 watts at 4 ohms, ensuring powerful audio output without distortion.

The DCA 1222 employs QSC’s exclusive PowerWave technology, which optimizes performance and efficiency. This technology ensures that the amplifier runs cool, even under high load, which is crucial for prolonged usage in demanding environments. Additionally, the Class D circuitry contributes to the lightweight design of the amplifier, facilitating easy transport and installation.

In terms of connectivity, the DCA 1222 comes equipped with a comprehensive array of input and output options. It features both XLR and TRS inputs, making it compatible with a wide range of audio sources. The output connectors are designed to work seamlessly with various speaker systems. Moreover, the amplifier includes a gain control for each channel, allowing users to fine-tune the audio levels according to the specific needs of their setup.

Built-in processing features enhance the overall functionality of the DCA 1222. It includes a selection of comprehensive crossovers, limiters, and equalization options, allowing for precise sound shaping. This level of control helps ensure optimal performance in different acoustic environments.

The amplifier also features an intuitive front-panel LCD display, providing real-time feedback on performance metrics such as output levels, temperature, and protection indicators. This user-friendly interface simplifies monitoring and allows for quick adjustments during live events.

In summary, the QSC Audio DCA 1222 is a powerhouse amplifier equipped with advanced technologies, high power output, extensive connectivity options, and user-friendly features. Its design and capabilities make it a reliable choice for professional audio applications, ensuring exceptional sound quality and performance in any setting.