QSC Audio DCA 1222 manuals

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When we buy new device such as QSC Audio DCA 1222 we often through away most of the documentation but the warranty. Very often issues with QSC Audio DCA 1222 begin only after the warranty period ends and you may want to find how to repair it or just do some service work. Even oftener it is hard to remember what does each function in Stereo Amplifier QSC Audio DCA 1222 is responsible for and what options to choose for expected result. Fortunately you can find all manuals for Stereo Amplifier on our side using links below.

QSC Audio DCA 1222 User Manual

40 pages2.26 Mb

DCA
- *TD-000075-00*
  - 2Erklrung der Bildsymbole
  - Explicacin de smbolos
  - Explication des symboles graphiques
    - ATTENTION!
    - VORSICHT
    - PRECAUCIN
    - CAUTION
  - 3TABLE OF CONTENTS TABLE DES MATIRES INHALTSVERZEICHNIS TABLA DE LAS MATERIAS
    - 4EC Declaration of Conformity
      - FCC INTERFERENCE STATEMENT:
    - Caractristiques
    - Ausstattungsmerkmale
    - Caractersticas
    - Features
  - 6INTRODUCTION E I NFHRUNG INTRODUCCINAVANT-PROPOS
    - * 20 Hz20 kHz @ 1% THD
    - 7Front panel
    - Panel frontal
    - Panneau avant
    - Vorderseite
    - 8Rear panel
    - Panneau arrire
    - Rckseite
    - Panel posterior
      - Two-channel models Modles deux-canaux Zwei-Kanalverstrker Modelos de dos canales
      - Four-channel models Modles quatre-canaux Vier-Kanalverstrker Modelos de cuatro canales
    - 9Clip limiter
      - = NOT APPLICABLE NON APPLICABLE NICHT ANWENDBAR NO APLICABLE
      - CLIP LIMITER ON (CH 1)
      - STEREO
      - CLIP LIMITER OFF
      - CLIP LIMITER ON (CH2)
      - LF FILTER ON LF 30 HZ PARALLEL INPUTS BR MODE ON LF 30 HZ LF FILTER ON
      - CLIP LIMITER OFF
      - LF FILTER OFF LF 50 HZ BRIDGE MODE OFF LF 50 HZ LF FILTER OFF
    - Limitador de picos
    - Limiteur d'crtement
    - Clip Limiter
    - 10Input filter
    - Filtro de entrada
    - Filtres d'entre
    - Eingangsfilter
    - 11Parallel input mode
      - "ON"
      - (parallel mode)
      - PARALLEL
      - Turn the switches off for stereo, bi-amping, or other 2-channel modes.
      - = NOT APPLICABLE NON APPLICABLE NICHT ANWENDBAR NO APLICABLE
      - CLIP LIMITER ON LF FILTER ON LF 30 HZ LF 30 HZ LF FILTER ON CLIP LIMITER ON
      - STEREO
      - BRIDGE MODE OFF
      - PARALLEL INPUTS BR MODE ON
      - CLIP LIMITER OFF LF FILTER OFF LF 50 HZ LF 50 HZ LF FILTER OFF CLIP LIMITER OFF
    - Modo de entradas paralelas
      - 1 seal / 2 canales
    - Mode entres parallles
    - Parallelbetrieb
      - 1 signal / 2 Kanle
      - 1 signal / 2 channels
      - 1 signal / 4 channels
      - 1 signal / 2 canaux
      - CH 1 CH 2
      - CH 1CH 1 CH 2
        1 signal / 4 canaux
        1 signal / 4 Kanle
        1 seal / 4 canales
    - 12Parallel input mode
      - (continued)
    - Mode entres parallles
      - (Fortsetzung)
      - (suite)
    - Parallelbetrieb
    - Modo de entradas paralelas
    - Bridge mono mode
      - BRIDGE
      - Upper Speakon only
      - Bridged mono Mono pont Monobrckenbetrieb Mono puente
    - 132
      - CH 1 CH 2
      - 2 2
        Modo puenteado en mono
        BRIDGE
        Mode pont mono
        Monobrckenbetrieb
        single
        14Bridge mono mode (continued)
        Mode pont mono (suite)
        Monobrckenbetrieb (Fortsetzung)
        Modo puenteado en mono (continuacin)
        15What are the differences among Stereo, Parallel Input, and Bridge Mono modes?
        Cules son las diferen- cias entre los modos Estreo, Entradas Paralelas y Puenteado en Mono?
        Modes stro, parallle et pont, quelles sont les diffrences?
        Unterschiede zwischen Stereo-, Parallel- und Monobrcken-Betrieb
        16LEA LAS PRECAUCIONES ADICIONALES PARA EL MODO DE PUENTEADO EN MONO EN LA PGINA 11.
        VOIR LES INSTRUCTIONS ADDITIONNELLES POUR UTILISATION EN MODE PONT MONO EN PAGE 11.
        BITTE BEACHTEN SIE DIE WARNHINWEISE AUF SEITE 11.
        SEE THE ADDITIONAL BRIDGE MONO MODE WARNINGS ON PAGE 11.
  - 17INSTALLATION
  - EINBAU
  - INSTALACIN
  - INSTALLATION
    - 0.96" 24.4 mm
    - 3.00" 76.2 mm
    - 13.48" 342.3 mm 13.35" 339.1 mm
    - 14.0" 355.6 mm 13.85" 351.8 mm 13.6" 345.4 mm
  - 18CONNECTIONS
    - shield
    - C
    - H
    - C
    - H
  - CONEXIONESCONNEXIONS ANSCHLSSE
    - EntradasEntres
    - Eingnge
    - Inputs
    - 19Inputs
      - XLR unbalanced/asymtrique/unsymetrische/no balanceado
    - Entradas
    - Eingnge
    - Entres
      - XLR balanced/symtrique/symetrische/balanceado
      - TRS balanced/symtrique/symetrische/balanceado
      - TRS unbalanced/asymtrique/unsymetrische/no balanceado
    - 20Speakon Outputs
      - (two-channel models)
        Bridged mono Mono pont Monobrckenbetrieb Mono puente
        CH 1 CH 2
        CH 1 CH 2
        CH 1 CH 2
      - 2
        2 channels/canaux/Kanle/canales & 2 Speakons
        2 channels/canaux/Kanle/canales & 1 Speakon
    - Sorties Speakon
      - (modles deux canaux)
    - Speakon Ausgnge
      - (Typen mit zwei Kanle)
    - Salidas Speakon
      - (modelos de dos canales)
  - 212
    - Schraubklemmanschlu
      - (alle Typen)
    - Salidas de barrera
      - (todos modelos)
    - Bornes vis
      - (tous les modles)
        Two-channel models Modles deux canaux Zweikanal-Typen Modelos de dos canales
        Four-channel models Modles quatre canaux Vierkanal-Typen Modelos de cuatro canales
    - Barrier strip outputs
      - (all models)
    - DataPort
    - Tension d'utilisation (alimentation CA)
      - (http://www.qscaudio.com).
      - Subwoofer
      - DCA amplifier
      - DCA amplifier
    - Netzanschlu
    - Voltaje de operacin (alimentacin CA)
      - XC-3
        XC-3
        LF-3
    - 22L R
      - SF-3
        2-way system
        3-way system
      - DataPort (puerto de datos)
      - Port de donnes
      - DataPort
      - Operating voltage (AC mains)
    - 23OPERATION
      - AC power switch
        PARALLEL
        BRIDGE
        CLIP
        POWER
        PARALLEL
        BRIDGE
        -10 dB
        -20 dB
        PARALLEL
        BRIDGE
        CLIP
        POWER
        PARALLEL
        BRIDGE
        CLIP
        -10dB
        SIGNAL, -20dB,
        OFF
        POWER
        CLIP
        POWER
    - UTILISATION BETRIEBOPERACIN
      - Interrupteur d'alimentation CA
      - Netzschalter
      - Interruptor de encendio
        POWER
      - LED indicators
      - Indicateurs DEL
      - Indicadores LED
      - LED-Anzeige
      - Gain controls
      - Contrles de gain
      - Verstrkungsregler
      - Controles de ganancia
      - 24Security panel
      - Panel de seguridad
      - Sicherheitsabdeckung
      - Plaquette de scurit
    - 25OPERATION
      - Fan cooling
        CLIP
        'clipeo'
        Mute
        Bridged mono
        CLIP
      - Safe operating levels
    - UTILISATION BETRIEBOPERACIN
      - Ventilacin
      - Niveles adecuados de operacin
      - Ventilation
      - Niveaux d'utilisation scuritaire
      - Lfterkhlung
      - Betriebspegel
    - 29DPANNAGE FEHLERBEHEBUNG
      - no sound
        POWER
        ANZEICHEn:
        SIGNAL
        POWER
        Indication:
        POWER
        Indication:
        Indicacin:
        CLIP
        POWER
        Indication:
        CLIP
        ANZEICHEn:
        Indication:
        1 C H A N N E L 2
        CLIP
        POWER
        bridged mono
        1 C H A N N E L 2
      - kein Ton
      - pas de son
      - no hay sonido
        El indicador de encendido no se ilumina
      - No sound (continued)
        1 C H A N N E L 2
        Indicacin:
        CLIP
        ANZEICHEn:
        CLIP
        INDICATION:
        mute
        CLIP
        INDICATION:
        1 C H A N N E L 2
      - Pas de son
        ANZEICHEn:
        Indication:
        -10 dB
        -20 dB
        Indicacin:
        1 C H A N N E L 2
        INDICATION:
        Indicacin:
        INDICATION:
        Indication:
      - No hay sonido
    - 30DPANNAGE FEHLERBEHEBUNG
      - Kein T on
      - no channel separation
        OFF
        OFF
        BRIDGE
        1 C H A N N E L 2
        MONO
        PARALLEL
        BRIDGE MONO
        PARALLEL
      - distorted sound
        Anzeiche:
        CLIP
        Anzeiche:
        Indication:
        CLIP
        INDICATION:
        Indicacin:
        CLIP
        Indicacin:
        1 C H A N N E L 2
        Indication:
        CLIP
        at the amplifier.
        CLIP
        INDICATION:
      - sonido distorsionado
      - no hay separacin entre los canales
    - 31DPANNAGE
      - son distortionn
      - pas de sparation des canaux
        BRIDGE MONO
    - FEHLERBEHEBUNG
      - Verzerrungen
      - keine Kanaltrennung
      - Problem:
      - Problema:
      - Problem:
      - Problme:
      - Problema:
        ruido
      - Problem:
        hiss
      - Problem:
        squeals and feedback
        hum
        zumbidos
      - (hiss)
        chillidos y retroalimentacin
    - 32DPANNAGE
      - Problem:
      - Problme:
        ronflement
        souffle
        bruits et effet Larsen
    - FEHLERBEHEBUNG
      - Brummen
      - Rauschen/ Zischen
      - Pfeifen und Rckkopplungen
    - 33INNER WORKINGS
      - CLIP
      - Basic Functional Block Diagram of PowerLight Supply
      - Transformer
        CLIP
        hum
        CLIP
    - OPERACIN INTERNA
      - CLIP
    - SOUS LE CAPOT
    - INNERER AUFBAU
      - EMI Filter Inrush Limiting Main Energy Bank PowerLight Switching DC Supply for Amplifier
      - Control Power PLM Control
    - 34OPERACIN INTERNA
      - premium
    - INNER WORKINGS SOUS LE CAPOT INNERER AUFBAU
    - 35SPECIFICATIONS SPCIFICATIONS TECHNISCHE DATEN ESPECIFICACIONES
      - DCA1222 DCA1622 DCA2422 DCA3022 DCA3422
    - 36SPECIFICATIONS SPCIFICATIONS TECHNISCHE DATEN ESPECIFICACIONES
      - DCA1824 DCA1644
    - 37TECHNISCHE DATENSPECIFICATIONS SPCIFICATIONS ESPECIFICACIONES
      - DCA1222 DCA1622 DCA2422 DCA3022 DCA3422
        SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
        @ 120 VAC (both channels driven) Multiply currents by 0.5 for 230V units
    - 38TECHNISCHE DATENSPECIFICATIONS SPCIFICATIONS ESPECIFICACIONES
      - DCA1824 DCA1644
        SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
        @ 120 VAC (both channels driven) Multiply currents by 0.5 for 230V units
    - 39WARRANTY INFORMATION
      - (USA only; see your dealer or distributor)
    - INFORMATIONS DE GARANTIE
      - (-U seulement; consultez votre marchand ou distributeur)
    - GARANTIEBEDINGUNGEN
      - (Nur USA; in anderen Lndern Ihren Fachhndler fragen.)
    - INFORMACIN DE GARANTA
      - (EE. UU. solamente; consulte su comerciante o su distribuidor)
      - Dcharge
      - Atencin
      - Haftungserklrung
      - Disclaimer

40 pages2.16 Mb

DCA Digital Cinema Amplifiers
- *TD-000075-00*
  - 2Erklrung der Bildsymbole
  - Explicacin de smbolos
  - Explication des symboles graphiques
    - ATTENTION!
    - VORSICHT
    - PRECAUCIN
    - CAUTION
  - 3TABLE OF CONTENTS TABLE DES MATIRES INHALTSVERZEICHNIS TABLA DE LAS MATERIAS
    - 4EC Declaration of Conformity
      - FCC INTERFERENCE STATEMENT:
    - 6Caractristiques
    - Ausstattungsmerkmale
    - Caractersticas
    - Features
      - * 20 Hz20 kHz @ 1% THD
    - 7Front panel
    - Panel frontal
    - Panneau avant
    - Vorderseite
    - 8Rear panel
    - Panneau arrire
    - Rckseite
    - Panel posterior
      - Two-channel models Modles deux-canaux Zwei-Kanalverstrker Modelos de dos canales
      - Four-channel models Modles quatre-canaux Vier-Kanalverstrker Modelos de cuatro canales
    - 9Clip limiter
      - =NOT APPLICABLE NON APPLICABLE NICHT ANWENDBAR NO APLICABLE
      - CLIP LIMITER ON (CH 1)
      - STEREO
      - CLIP LIMITER OFF
      - CLIP LIMITER ON (CH2)
      - LF FILTER ON LF 30 HZ PARALLEL INPUTS BR MODE ON LF 30 HZ LF FILTER ON
      - CLIP LIMITER OFF
      - LF FILTER OFF LF 50 HZ BRIDGE MODE OFF LF 50 HZ LF FILTER OFF
    - Limitador de picos
    - Limiteur d'crtement
    - Clip Limiter
    - 10Input filter
    - Filtro de entrada
    - Filtres d'entre
    - Eingangsfilter
    - 11Parallel input mode
      - "ON"
      - (parallel mode)
      - PARALLEL
      - Turn the switches off for stereo, bi-amping, or other 2-channel modes.
      - =NOT APPLICABLE NON APPLICABLE NICHT ANWENDBAR NO APLICABLE
      - CLIP LIMITER ON LF FILTER ON LF 30 HZ LF 30 HZ LF FILTER ON CLIP LIMITER ON
      - STEREO
      - BRIDGE MODE OFF
      - PARALLEL INPUTS BR MODE ON
      - CLIP LIMITER OFF LF FILTER OFF LF 50 HZ LF 50 HZ LF FILTER OFF CLIP LIMITER OFF
    - Modo de entradas paralelas
      - 1 seal / 2 canales
    - Mode entres parallles
    - Parallelbetrieb
      - 1 signal / 2 Kanle
      - 1 signal / 2 channels
      - 1 signal / 4 channels
      - 1 signal / 2 canaux
      - CH 1 CH 2
      - CH 1CH 1 CH 2
        1 signal / 4 canaux
        1 signal / 4 Kanle
        1 seal / 4 canales
    - 12Parallel input mode
      - (continued)
    - Mode entres parallles
      - (Fortsetzung)
      - (suite)
    - Parallelbetrieb
    - Modo de entradas paralelas
    - Bridge mono mode
      - BRIDGE
      - Upper Speakon only
      - Bridged mono Mono pont Monobrckenbetrieb Mono puente
    - 132
      - CH 1 CH 2
      - 2 2
        Modo puenteado en mono
        BRIDGE
        Mode pont mono
        Monobrckenbetrieb
        single
        14Bridge mono mode (continued)
        Mode pont mono (suite)
        Monobrckenbetrieb (Fortsetzung)
        Modo puenteado en mono (continuacin)
        15What are the differences among Stereo, Parallel Input, and Bridge Mono modes?
        Cules son las diferen- cias entre los modos Estreo, Entradas Paralelas y Puenteado en Mono?
        Modes stro, parallle et pont, quelles sont les diffrences?
        Unterschiede zwischen Stereo-, Parallel- und Monobrcken-Betrieb
        16LEA LAS PRECAUCIONES ADICIONALES PARA EL MODO DE PUENTEADO EN MONO EN LA PGINA 11.
        VOIR LES INSTRUCTIONS ADDITIONNELLES POUR UTILISATION EN MODE PONT MONO EN PAGE 11.
        BITTE BEACHTEN SIE DIE WARNHINWEISE AUF SEITE 11.
        SEE THE ADDITIONAL BRIDGE MONO MODE WARNINGS ON PAGE 11.
  - 17INSTALLATION
  - EINBAU
  - INSTALACIN
  - INSTALLATION
    - 0.96" 24.4 mm
    - 3.00" 76.2 mm
    - 13.48" 342.3 mm 13.35" 339.1 mm
    - 14.0" 355.6 mm 13.85" 351.8 mm 13.6" 345.4 mm
  - 18CONNECTIONS
    - shield
    - C
    - H
    - C
    - H
  - CONEXIONESCONNEXIONS ANSCHLSSE
    - EntradasEntres
    - Eingnge
    - Inputs
    - 19Inputs
      - XLR unbalanced/asymtrique/unsymetrische/no balanceado
    - Entradas
    - Eingnge
    - Entres
      - XLR balanced/symtrique/symetrische/balanceado
      - TRS balanced/symtrique/symetrische/balanceado
      - TRS unbalanced/asymtrique/unsymetrische/no balanceado
    - 20Speakon Outputs
      - (two-channel models)
        Bridged mono Mono pont Monobrckenbetrieb Mono puente
        CH 1 CH 2
        CH 1 CH 2
        CH 1 CH 2
      - 2
        2 channels/canaux/Kanle/canales & 2 Speakons
        2 channels/canaux/Kanle/canales & 1 Speakon
    - Sorties Speakon
      - (modles deux canaux)
    - Speakon Ausgnge
      - (Typen mit zwei Kanle)
    - Salidas Speakon
      - (modelos de dos canales)
  - 212
    - Schraubklemmanschlu
      - (alle Typen)
    - Salidas de barrera
      - (todos modelos)
    - Bornes vis
      - (tous les modles)
        Two-channel models Modles deux canaux Zweikanal-Typen Modelos de dos canales
        Four-channel models Modles quatre canaux Vierkanal-Typen Modelos de cuatro canales
    - Barrier strip outputs
      - (all models)
    - DataPort
    - Tension d'utilisation (alimentation CA)
      - (http://www.qscaudio.com).
      - Subwoofer
      - DCA amplifier
      - DCA amplifier
    - Netzanschlu
    - Voltaje de operacin (alimentacin CA)
      - XC-3
        XC-3
        LF-3
    - 22L R
      - SF-3
        2-way system
        3-way system
      - DataPort (puerto de datos)
      - Port de donnes
      - DataPort
      - Operating voltage (AC mains)
    - 23OPERATION
      - AC power switch
        PARALLEL
        BRIDGE
        CLIP
        POWER
        PARALLEL
        BRIDGE
        -10 dB
        -20 dB
        PARALLEL
        BRIDGE
        CLIP
        POWER
        PARALLEL
        BRIDGE
        CLIP
        -10dB
        SIGNAL, -20dB,
        OFF
        POWER
        CLIP
        POWER
    - UTILISATION BETRIEBOPERACIN
      - Interrupteur d'alimentation CA
      - Netzschalter
      - Interruptor de encendio
        POWER
      - LED indicators
      - Indicateurs DEL
      - Indicadores LED
      - LED-Anzeige
      - Gain controls
      - Contrles de gain
      - Verstrkungsregler
      - Controles de ganancia
      - 24Security panel
      - Panel de seguridad
      - Sicherheitsabdeckung
      - Plaquette de scurit
    - 25OPERATION
      - Fan cooling
        CLIP
        'clipeo'
        Mute
        Bridged mono
        CLIP
      - Safe operating levels
    - UTILISATION BETRIEBOPERACIN
      - Ventilacin
      - Niveles adecuados de operacin
      - Ventilation
      - Niveaux d'utilisation scuritaire
      - Lfterkhlung
      - Betriebspegel
    - 26APPLICATIONS APPLICATIONS ANWENDUNGS- BEISPIELE
    - APLICACIONES
      - DCA 3002
      - DCA 1222
    - 27APPLICATIONS APPLICATIONS APLICACIONES
    - ANWENDUNGS- BEISPIELE
      - 10" (25 cm) + horn
      - REAR
      - SURROUND LEFT
        (bridge mono mode)
        SUBWOOFERSUBWOOFER
        SL
      - FRONT
      - SURROUND LEFT
        2 15" (38 cm)
        LEFT CENTER RIGHT
      - SURROUND RIGHT FRONT
        C R
        L
        Sub
        SR SL SR
        2 18" (45.7 cm)
      - DCA 2422
        (bridge mono mode)
        SURROUND RIGHT REAR
        2 8" (20 cm)
    - 29DPANNAGE FEHLERBEHEBUNG
      - no sound
        POWER
        ANZEICHEn:
        SIGNAL
        POWER
        Indication:
        POWER
        Indication:
        Indicacin:
        CLIP
        POWER
        Indication:
        CLIP
        ANZEICHEn:
        Indication:
        1 C H A N N E L 2
        CLIP
        POWER
        bridged mono
        1 C H A N N E L 2
      - kein Ton
      - pas de son
      - no hay sonido
        El indicador de encendido no se ilumina
      - No sound (continued)
        1 C H A N N E L 2
        Indicacin:
        CLIP
        ANZEICHEn:
        CLIP
        INDICATION:
        mute
        CLIP
        INDICATION:
        1 C H A N N E L 2
      - Pas de son
        ANZEICHEn:
        Indication:
        -10 dB
        -20 dB
        Indicacin:
        1 C H A N N E L 2
        INDICATION:
        Indicacin:
        INDICATION:
        Indication:
      - No hay sonido
    - 30DPANNAGE FEHLERBEHEBUNG
      - Kein Ton
      - no channel separation
        OFF
        OFF
        BRIDGE
        1 C H A N N E L 2
        MONO
        PARALLEL
        BRIDGE MONO
        PARALLEL
      - distorted sound
        Anzeiche:
        CLIP
        Anzeiche:
        Indication:
        CLIP
        INDICATION:
        Indicacin:
        CLIP
        Indicacin:
        1 C H A N N E L 2
        Indication:
        CLIP
        at the amplifier.
        CLIP
        INDICATION:
      - sonido distorsionado
      - no hay separacin entre los canales
    - 31DPANNAGE
      - son distortionn
      - pas de sparation des canaux
        BRIDGE MONO
    - FEHLERBEHEBUNG
      - Verzerrungen
      - keine Kanaltrennung
      - Problem:
      - Problema:
      - Problem:
      - Problme:
      - Problema:
        ruido
      - Problem:
        hiss
      - Problem:
        squeals and feedback
        hum
        zumbidos
      - (hiss)
        chillidos y retroalimentacin
    - 32DPANNAGE
      - Problem:
      - Problme:
        ronflement
        souffle
        bruits et effet Larsen
    - FEHLERBEHEBUNG
      - Brummen
      - Rauschen/ Zischen
      - Pfeifen und Rckkopplungen
    - 33INNER WORKINGS
    - INNERER AUFBAU
      - CLIP
      - hum
      - CLIP
      - EMI Filter Inrush Limiting Main Energy Bank PowerWave Switching DC Supply for Amplifier
        CLIP
      - Transformer
      - Control Power PWM Control
    - OPERACIN INTERNA
    - SOUS LE CAPOT
    - 34OPERACIN INTERNA
      - premium
    - INNER WORKINGS SOUS LE CAPOT INNERER AUFBAU
    - 35SPECIFICATIONS SPCIFICATIONS TECHNISCHE DATEN ESPECIFICACIONES
      - DCA1222 DCA1622 DCA2422 DCA3022 DCA3422
    - 36SPECIFICATIONS SPCIFICATIONS TECHNISCHE DATEN ESPECIFICACIONES
      - DCA1824 DCA1644
    - 37TECHNISCHE DATENSPECIFICATIONS SPCIFICATIONS ESPECIFICACIONES
      - DCA1222 DCA1622 DCA2422 DCA3022 DCA3422
        SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
        @ 120 VAC (both channels driven) Multiply currents by 0.5 for 230V units
    - 38TECHNISCHE DATENSPECIFICATIONS SPCIFICATIONS ESPECIFICACIONES
      - DCA1824 DCA1644
        SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
        @ 120 VAC (both channels driven) Multiply currents by 0.5 for 230V units
    - 39WARRANTY INFORMATION
      - (USA only; see your dealer or distributor)
    - INFORMATIONS DE GARANTIE
      - (-U seulement; consultez votre marchand ou distributeur)
    - GARANTIEBEDINGUNGEN
      - (Nur USA; in anderen Lndern Ihren Fachhndler fragen.)
    - INFORMACIN DE GARANTA
      - (EE. UU. solamente; consulte su comerciante o su distribuidor)
      - Dcharge
      - Atencin
      - Haftungserklrung
      - Disclaimer

Also you can find more QSC Audio manuals or manuals for other Home Audio.