Power Outputs Audio Transformer Outputs | Dynacord DPA 4260 specification

Power Outputs – AUDIO TRANSFORMER OUTPUTS

The two integrated output transformers convert the power amplifier’s nominal output voltage to the commonly used loudspeaker line voltage standards – 25 V, 70 V, and 100 V. These voltages are simultaneously present at the correspondent floating outputs of the binding post strip. The two power amplifier channels can be operated using any possible output voltage combination. Simultaneous operation of low impedance loudspeaker systems and floating loudspeaker lines on a single power amplifier channel is possible as well.

Caution It is possible that during operation shock-hazard output voltages can be present at the power output connectors (>34 V peak value). Therefore, the connected loudspeaker lines have to be installed in accordance to applicable security standards and regulations. When installing and operating 100 V-loudspeaker networks, compliance to the VDE regulation DIN VDE 0800 is mandatory.

Especially, if a 100 V-loudspeaker network is included in alarm system applications, all security standards have to be in accordance to the security class 3 standard. Before the first operation of the power amplifier, the loudspeaker terminal strip has to be covered using the supplied protection cover.

Power Outputs - Isolated Outputs 70 V and 100 V

To reduce line attenuation effects when the distance between power amplifier and loudspeaker systems exceeds 50 meters, it is recommended to employ loudspeaker systems with 100 V or 70 V line transformers, which also allows conveniently distributing the output power to the individual loudspeaker systems.

It is possible to connect as many loudspeaker systems until the total power consumption of the loudspeaker network equals the nominal power handling capacity of the power amplifier; while not declining the nominal load impedance of the power amplifier outputs.

For details on nominal power handling capacity and nominal load impedance of the amplifier’s individual power outputs, please refer to the specifications in the appendix.

figure:	example configuration – DPA 4260 with 100 V loudspeaker systems – maximum load
	using 30 W / 100 V and 60 W / 100 V loudspeaker systems

DPA 4260, DPA 4245 specifications

Dynacord, a renowned name in professional audio equipment, has established a reputation for delivering high-performance amplifiers that meet the rigorous demands of live sound and installation applications. The DPA 4260 and DPA 4245 models stand out in their lineup, featuring advanced technologies and robust characteristics that set them apart in the competitive audio landscape.

The Dynacord DPA 4260 is a powerful four-channel amplifier that offers an impressive output of up to 2,600 watts, designed to drive a wide range of speakers effortlessly. One of its main features is the implementation of a sophisticated DSP (Digital Signal Processing) technology, which provides comprehensive control over audio parameters such as EQ, crossover, delay, and limiter settings. This allows users to optimize the sound output for various environments, ensuring clarity and fidelity in the audio performance.

In addition to DSP, the DPA 4260 is equipped with an advanced Power Factor Correction (PFC) system. This technology not only enhances the amplifier's efficiency but also ensures stable performance even under varying load conditions. The amplifier's robust build quality and efficient heat dissipation design make it suitable for extended operation in demanding venues.

On the other hand, the Dynacord DPA 4245 is another impressive model offering a slightly lower output of 1,400 watts but packed with its unique set of features. Like the DPA 4260, it benefits from the same DSP capabilities, allowing for detailed sound manipulation and tuning. This is particularly useful for sound engineers looking for precision in their audio setups.

The DPA 4245 also showcases versatility in its operation, featuring a selection of operating modes to accommodate different configurations, including bridge mode for driving larger loads. Its lightweight design makes it easy to transport and install without compromising on power or performance.

Both models come with comprehensive connectivity options, ensuring compatibility with various audio systems and setups, facilitating seamless integration into existing infrastructures. The front panel allows for easy monitoring, featuring LED indicators that display operational status and signal integrity.

In conclusion, Dynacord's DPA 4260 and DPA 4245 amplifiers exemplify cutting-edge technology and robust construction in the world of professional audio. With their powerful outputs, advanced DSP capabilities, and flexible configurations, these amplifiers are designed to meet the demands of professionals seeking reliable and high-quality audio solutions in live sound reinforcement and installation applications. Whether for touring, installations, or events, these amplifiers ensure a professional sound experience.