Dynacord DPA 4140, DPA 4120 owner manual NRS 90208 input transformer for floating, balanced input

Page 44

13.Extension kit specifications for the power amplifiers DPA 4120 / DPA 4140

13.1NRS 90225 standard input module see specifications DPA 4120 / DPA 4140

13.2NRS 90222 remote module

see specifications DPA 4120 / DPA 4140

13.3NRS 90208 input transformer for floating, balanced input

frequency response

20 Hz .. 20 kHz

input impedance

t 10 k ohms

idling ratio

1:1

winding resistance; primary

1420 ohms at 20°C

winding resistance; secondary

1420 ohms at 20°C

13.4NRS 90227 output transformer for floating, balanced monitor output

frequency response

40 Hz .. 20 kHz

nominal load impedance idling ration

winding resistance; primary winding resistance; secondary

13.5NRS 90224 pilot tone & ground fault surveillance

13.5.1pilot tone surveillance pilot tone frequency

error recognition threshold

fault message output via NRS 90225 fault message output via NRS 90222

13.5.2ground fault surveillance

input loudspeaker line 4 ohms / 50V / 70V / 100V fault message output via NRS 90225

fault message output via NRS 90222 disruptive strength

error recognition threshold

t600 ohms 1:1

18 ohms at 20°C

18 ohms at 20°C

19 kHz ± 1%

d12 mV

collective fault message via READY relay PROMATRIX manager DPM 4000

collective fault message via READY relay PROMATRIX Manager DPM 4000 1000 Veff

d50 k ohms

44

Page 43 Page 45
Image 44
Page 43 Page 45
Contents Power Amplifier DPA 4120 / DPA Leistungsmerkmale+7,*6,&+5+,76+,1,6 Anzeigen, Bedienungselemente und Anschlüsse DPAInhaltsverzeichnis Installationshinweise VerwendungDer Verstärker ist zu schützen vor Vor der InbetriebnahmeBatteriebetrieb 24V DC Eingang InputAusgänge Leistungsausgang Power Output Leistungsausgang Power Output für niederohmige Lautsprecher Steueranschluß Remote Control nur NRSKontrollausgang Monitor Anzeigen STANDBY-AnzeigeAussteuerungskontrolle 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 Pilotton & Erdschluß Überwachung NRS Pilotton-ÜberwachungErdschluß-Überwachung Der Einbau ist wie folgt vorzunehmen siehe Bild 8 bzw. BildNRS 90 406 S 411 Prüfung der Funktion Pilotton-Überwachung Groundlift Schalter Circuit a to Chassis Switch Prüfung der Funktion Erdschluß-ÜberwachungEinbau in 19-Gehäuse oder 19-Gestellschränke Sicherungen Sicherungen in DPA503 F Page Page Batteriebetrieb Eigenschaften des EingangsEigenschaften des Leistungs-Ausgangs Eigenschaften des Monitor-AusgangsNachrüstsätze für DPA 4120 und DPA Erdschluß Überwachung Performance Features 03257$176$7,16758&7,216 Indicators, controls and connections 12 aContents Installation UtilizationAmplifier has to be protected from Before the first operationBattery operation 24V DC InputPower Output for 100V 70V or 50V loudspeaker systems Power Output for low impedance loudspeaker systemsOutputs Single Call and obligatory reception relays Override BypassRemote Control connector only NRS Indicators Standby indicatorReady indicator Protect indicatorLevel meter and Clip indicator Enhanced application field Standard input module NRS Remote 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 Checking the ground fault surveillance function Case and 19-rack-shelf system installationGround lift switch Circuit a to Chassis Switch Fuses Fuses in the DPA503 F 503 F 601 602 Battery operation Features of the input nominal input levelDPA 4140 power amplifier 400 W power supply Mains operation Extension kits for the DPA 4120 and DPANRS 90208 input transformer for floating, balanced input Amplificateur DE Puissance DPA 4120 / DPA Caractéristiques techniques16758&7,2166e&85,7e,03257$176 Témoins, contrôles et connexions NRS 90225 module dentrée général Utilisation Lamplificateur doit être protégé contreAvant la première utilisation Fonctionnement sur le secteurFonctionnement sur batterie 24V DC Input EntréeCâblage LF pour le couplage de deux amplificateurs DPA SortiesConnecteur Remote Control NRS 90225 uniquement Sortie MonitorTémoins Témoin Standby Témoin ReadyTémoin Ground Fault Vumètre et témoin ClipModule de télécommande NRS Champs dapplications avancées Module dentrée standard NRSPage Input Transformer NRS Output Transformer NRS Surveillance de la fréquence pilote Surveillance de défaut de masseNRS 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 Fonctionnement sur batterie Caractéristiques de lentréeCaractéristiques de la sortie de puissance Caractéristiques de la sortie MonitorKits dextension pour les DPA 4120 et DPA Surveillance du défaut de masse entrée ligne haut-parleur Page Blockdiagram Page Page Page Bosch Communications Systems
Related manuals
Manual 23 pages 27.73 Kb

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.
Top Page Image Contents