Dynacord Explore the DPA 4140 Power Amplifier Features and Specifications
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POWER AMPLIFIER DPA 4120 / DPA 4140

OWNER'S MANUAL

DPA 4140

40 0 WATTS POWER AMPL IFIER

CLIPT EST

0dB

- 13dB

READYSTANDBY

GROUND

PROT ECT

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:

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

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

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

∙optional 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

∙integrated stand-by power supply

∙mains POWER ON/OFF switch

∙ground lift switch

∙remotely controllable mains and battery operation with initial current inrush limiter

∙power-on switching noise suppression

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

∙fault message according to the IEC 849 standard

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

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

∙integrated relays for single call and obligatory reception

∙active, temperature controlled ventilation

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

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Contents Performance Features Power Amplifier DPA 4120 / DPAPage 12 a Indicators, controls and connectionsContents Utilization InstallationAmplifier has to be protected from Before the first operationInput Battery operation 24V DCOutputs Power Output for 100V 70V or 50V loudspeaker systemsRemote Control connector only NRS Power Output for low impedance loudspeaker systemsIndicators Single Call and obligatory reception relays Override BypassReady indicator Standby indicatorProtect indicator Ground Fault indicatorEnhanced application field Standard input module NRS NRS 90208 input transformer for the floating, balanced input Remote module NRSRe-insert the input module and tighten the locking screws B Ground fault surveillance NRS 90224 pilot tone & ground fault surveillancePilot tone surveillance NRS 90 406 S 411 Checking the pilot tone surveillance function Case and 19-rack-shelf system installation Checking the ground fault surveillance functionGround lift switch Circuit ⊥ to Chassis Switch Fuses Fuses in the DPA503 502 503 F 601 602 Battery operation DPA 4140 power amplifier 400 W Power supply Extension kits for the DPA 4120 and DPA 13.5.2 Ground fault surveillanceNRS 90208 input transformer for floating, balanced input
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Manual 72 pages 6.17 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.
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