13.Caractéristiques des kits d'extension pour amplificateurs de puissance DPA 4120 / DPA 4140

13.1NRS 90225 module d'entrée standard voir caractéristiques des DPA 4120 / DPA 4140

13.2NRS 90222 module de télécommande voir caractéristiques des DPA 4120 / DPA 4140

13.3NRS 90208 transformateur d'entrée pour entrée flottante symétrisée

réponse en fréquence

20 Hz .. 20 kHz

impédance d'entrée

t 10 k ohms

rapport du transformateur

1:1

résistance du bobinage primaire

1420 ohms à 20°C

résistance du bobinage secondaire

1420 ohms à 20°C

13.4NRS 90227 transformateur de sortie pour sortie monitor flottante symétrisée

réponse en fréquence

40 Hz .. 20 kHz

impédance de charge nominale

t 600 ohms

rapport du transformateur

1:1

résistance du bobinage primaire

18 ohms à 20°C

résistance du bobinage secondaire

18 ohms à 20°C

13.5NRS 90224 surveillance de la fréquence pilote & du défaut de masse 13.5.1 surveillance de la fréquence pilote

fréquence pilote

19 kHz ± 1%

seuil de reconnaissance d'erreur

sortie du message d'alerte via NRS 90225 sortie du message d'alerte via NRS 90222

13.5.2surveillance du défaut de masse entrée ligne haut-parleur

sortie du message d'alerte via NRS 90225 sortie du message d'alerte via NRS 90222 tension limite

seuil de reconnaissance d'erreur

d12 mV

message d'alerte collectif via relais READY PROMATRIX manager DPM 4000

4 ohms / 50V / 70V / 100V

message d'alerte collectif via relais READY PROMATRIX manager DPM 4000

1000 Veff

d50 k ohms

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Dynacord DPA 4140, DPA 4120 owner manual Surveillance du défaut de masse entrée ligne haut-parleur

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.