Dynacord DPA 4120, DPA 4140 owner manual Performance Features

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POWER AMPLIFIER DPA 4120 / DPA 4140

OWNER'S MANUAL

DPA 4140

400 WATTS POWER AMPLIFIER

CLIPTEST

0dB

-13dB

READYSTANDBY

GROUND

PROTECT

FAULT

 

Performance Features

Power amplifier with 200 W or 400 W output power according to the IEC 283-3 standard within a 19“ - cabinet (3 HU) providing the following functions:

xsupported are 115/230V AC mains as well as 24V DC emergency power source

xpower amplifiers DPA 4120 providing 200 W or DPA 4140 providing 400 W output power, idling and short-circuit protection

xoutput transformer for balanced, floating 100 V speaker networks of optionally 70 V, 50 V or 4 ohms for low-impedance operation

xoptional input modules:

standard operation INPUT MODULE with level control, electronically balanced input and MONITOR output with optional transformer or

REMOTE MODULE for controlling and monitoring the PROMATRIX system, electronic level controls, electronically balanced input and MONITOR output with optional transformer

xintegrated stand-by power supply

xmains POWER ON/OFF switch

xground lift switch

xremotely controllable mains and battery operation with initial current inrush limiter

xpower-on switching noise suppression

xstatus-LED indicators for operation (READY), STANDBY, thermal overload (PROTECT) and occurrence of GROUND FAULT conditions at the power output

xfault message according to the IEC 849 standard

xTEST button to switch between system and average operation, respectively a RESET button to restart after the occurrence of ground fault conditions

xLED level meter instrument with a display range of -13 dB to 0 dB and CLIP

xintegrated relays for single call and obligatory reception

xactive, temperature controlled ventilation

xpilot tone and ground fault surveillance module according to the DIN/VDE 0800 standard (optional)

The extension-kit NRS 90208 (input transformer) has been integrated in the input module NRS 90222 starting with the serial number 10461 and in the input module NRS 90225 starting with the serial number 12339 and higher.

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Contents Leistungsmerkmale Power Amplifier DPA 4120 / DPA+7,*6,&+5+,76+,1,6 DPA Anzeigen, Bedienungselemente und AnschlüsseInhaltsverzeichnis Vor der Inbetriebnahme InstallationshinweiseVerwendung Der Verstärker ist zu schützen vorEingang Input Batteriebetrieb 24V DCAusgänge Leistungsausgang Power Output Anzeigen STANDBY-Anzeige Leistungsausgang Power Output für niederohmige LautsprecherSteueranschluß Remote Control nur NRS Kontrollausgang MonitorAussteuerungskontrolle und CLIP-Anzeige Ground Fault AnzeigeProtect Anzeige Remote Modul NRS Der Einbau ist wie folgt vorzunehmen siehe Bild 6 bzw. Bild Input Transformer NRS Output Transformer NRS Der Einbau ist wie folgt vorzunehmen siehe Bild 8 bzw. Bild Pilotton & Erdschluß Überwachung NRSPilotton-Überwachung Erdschluß-ÜberwachungNRS 90 406 S 411 Prüfung der Funktion Pilotton-Überwachung Sicherungen Sicherungen in DPA Groundlift Schalter Circuit a to Chassis SwitchPrüfung der Funktion Erdschluß-Überwachung Einbau in 19-Gehäuse oder 19-Gestellschränke503 F Page Page Eigenschaften des Monitor-Ausgangs BatteriebetriebEigenschaften des Eingangs Eigenschaften des Leistungs-AusgangsNachrüstsätze für DPA 4120 und DPA Erdschluß Überwachung Performance Features 03257$176$7,16758&7,216 12 a Indicators, controls and connectionsContents Before the first operation InstallationUtilization Amplifier has to be protected fromInput Battery operation 24V DCSingle Call and obligatory reception relays Override Bypass Power Output for 100V 70V or 50V loudspeaker systemsPower Output for low impedance loudspeaker systems OutputsProtect indicator Remote Control connector only NRSIndicators Standby indicator Ready indicatorLevel meter and Clip indicator Remote module NRS Enhanced application field Standard input module NRSNRS 90208 input transformer for the floating, balanced input Input Transformer NRS Output Transformer NRS Pilot tone surveillance NRS 90224 pilot tone & ground fault surveillanceGround fault surveillance NRS 90 406 S 411 Checking the pilot tone surveillance function Fuses Fuses in the DPA Checking the ground fault surveillance functionCase and 19-rack-shelf system installation Ground lift switch Circuit a to Chassis Switch503 F 503 F 601 602 Features of the input nominal input level Battery operationExtension kits for the DPA 4120 and DPA DPA 4140 power amplifier 400 W power supply Mains operationNRS 90208 input transformer for floating, balanced input Caractéristiques techniques Amplificateur DE Puissance DPA 4120 / DPA16758&7,2166e&85,7e,03257$176 Témoins, contrôles et connexions NRS 90225 module dentrée général Fonctionnement sur le secteur UtilisationLamplificateur doit être protégé contre Avant la première utilisationInput Entrée Fonctionnement sur batterie 24V DCSorties Câblage LF pour le couplage de deux amplificateurs DPATémoin Ready Connecteur Remote Control NRS 90225 uniquementSortie Monitor Témoins Témoin StandbyVumètre et témoin Clip Témoin Ground FaultChamps dapplications avancées Module dentrée standard NRS Module de télécommande NRSPage Input Transformer NRS Output Transformer NRS Surveillance de défaut de masse Surveillance de la fréquence piloteNRS 90 406 S 411 NRS 90 406 S 411 Fusibles Fusibles du DPA Installation en rack 19 et en armoire rackCommutateur de mise à la masse Circuit a to Chassis Switch 503 F 503 F 601 602 Caractéristiques de la sortie Monitor Fonctionnement sur batterieCaractéristiques de lentrée Caractéristiques de la sortie de puissanceKits dextension pour les DPA 4120 et DPA Surveillance du défaut de masse entrée ligne haut-parleur Page Blockdiagram Page Page Page Bosch Communications Systems
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DPA 4120, DPA 4140 specifications

The Dynacord DPA 4120 and DPA 4140 are powerful amplifier solutions designed for professional audio applications. These models are ideal for live sound reinforcement, permanent installations, and various audio distribution requirements.

Both DPA 4120 and DPA 4140 are part of the Dynacord DPA series, which is renowned for delivering high-quality sound and reliability in demanding environments. The DPA 4120 provides a robust 1200 watts of power per channel at 4 ohms, while the DPA 4140 ups the ante with an impressive 1400 watts per channel at the same impedance, making them suitable for driving a wide range of speaker systems.

One of the standout features of both amplifiers is the incorporation of advanced DSP (Digital Signal Processing) technology. This technology offers precise control over sound performance, allowing users to tailor settings to meet specific venue acoustics or personal preferences. The DSP includes functions such as equalization, crossover adjustments, delay, and limiting, ensuring optimal sound delivery in any setting.

Durability is another hallmark of the Dynacord DPA series. The amplifiers feature a rugged, lightweight design, ideally suited for touring and rental companies. The internal architecture includes a sophisticated cooling system that allows for extended operation under high-demand conditions without overheating.

Both models are equipped with a range of connectivity options, including XLR inputs and Speakon outputs, facilitating seamless integration with various audio systems. The amplifiers support both analog and digital input sources, ensuring compatibility with modern audio setups.

In terms of sound quality, the DPA 4120 and DPA 4140 are engineered with low distortion levels and high efficiency, achieving high-performance audio output while maintaining clarity and detail across all frequencies. The amplifiers also feature a robust power supply that delivers consistent performance, even during peak use scenarios.

User-friendly controls and monitoring options are also inherent in the design of these amplifiers. An intuitive front panel interface allows for easy adjustment of settings, while LED indicators provide real-time feedback on performance and operational status.

In summary, the Dynacord DPA 4120 and DPA 4140 offer exceptional power, sound quality, and advanced features, making them excellent choices for audio professionals seeking reliable and powerful amplification solutions. Their combination of performance, durability, and versatility serves to meet the needs of various professional audio applications, solidifying their place in the competitive landscape of audio amplifiers.