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DPA4260

2x600w Power Amplifier

  • DPA4260

The DPA4260 power amplifier has been specially designed to ensure durable performance and reliable operation of sound reinforcement systems with several independent loudspeaker lines. The unit is best suited for paging and pre-recorded message installations, alert systems and for general background music applications in industrial enterprises, offices, multi-purpose halls, sport arenas, schools, churches, hotels, hospitals, super markets, cruise liners and similar applications.
The DPA4260 has CE approval as well as UL and CSA recognition and are EN 60849 / VDE 0828 conformable in combination with the ProAnnounce system.

The DPA4260 incorporates two high-performance output transformers. Next to 100 V, 70 V, and 25 V floating outputs, the direct outputs provide the possibility to also drive loudspeaker systems with low-impedance down to a minimum of 4 ohms. Simultaneous operation of low-impedance speaker systems and floating loudspeaker lines on a single output channel of the power amplifiers is possible as well. The integrated 45 Hz LO-cut filter with 18 dB/oct. slope protects the connected loudspeaker lines from unwanted ultra-low frequencies.

Comparator circuitry constantly monitors the input and output signals of the power amplifiers and activates their internal limiters whenever non-linear operation is encountered which reliably protects the connected loudspeaker systems against overload conditions and clipping, saturation of the power supply transformers, and overvoltage at the outputs. The DPA-Series power amplifiers‘ transmission and sound qualities are absolutely superb. The employed comprehensive dimensioned power supply units with low-interference toroidal transformers ensure that the stated nominal performance specifications are accomplished, even in most demanding and critical installations.

The DPA4260 power amplifier does not employ V/I-Foldback-Limiter circuits so operation on complex loads up to ±90° phase angles is possible without a problem.

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Complete the System:
Knowledge & Support
Technical Support Group
Tel: (866) 782-8346
audiosupport@us.bosch.com

Warranty Information