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Multichannel Switching VACIE


IMPACT DCA 2.500 - D-Class Charger Amplifier


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The IMPACT DCA-2.500 is a lightweight 'transformer-less"direct-drive 2 x 500 W D-Class amplifier. 
Housed in a 2U 19-inch rackhousing with integrated 4 Amp battery charger, makes the DCA-2.500 a resourceful and value-for-money device. 

The EN54-16 and EN54-4 standard certified, lightweight DCA-2.500 D-Class amplifier provides powerful audio amplification. It delivers 2 x 500 W outputs and is housed in a 2U 19-inch rackhousing. Multiple DCA-2.500 amplifiers can be stacked together sharing a single battery pack, providing back-up power and collective recharging capabilities. 
The amplifier has been designed along ‘modern-art’ lines and features a transformer-less design with not only a direct 100 
V output for distributed loudspeaker systems, but also drives into a low-impedance source from 8ohm and up. With cutting-edge design, the DCA-2.500 sets a standard for the most demanding projects with demanding audio architecture. 
The DCA-2.500 boasts a channel independant, dual voltage mains supply in combination with a secondary 24 VDC battery 
backup, crucial for ultimate reliability and durability in a VACIE system. 
Each DCA-2.500 is equipped with a powerful 4A battery charger capable of charging into a single 100Ah battery set. 
A Master/Slave system architecture, dictated by the AMP- LINK, regulates the battery-cluster charging procedure and status control. This way a single, larger battery pack can be shared with multiple amplifiers.  
The AMP-LINK module offers a local analogue AUX entry for local music playback into channel A and/or B. This allows for 
third party Commercial use integration, hence still complying to the VACIE standards.  

4EVAC COMPACT CONTROLLER input card specifications:

  • AMP-link with 2 prioritised audio streams with dynamic assignment.

  • Audio input for local source, switchable to CH A / CH B or both.

  • Input signal protection (gain control)

  • Volume attenuation for local source

  • Volume attenuation for CH A / B

  • Battery charging disablement

  • NON-EN54-16 setting (for commercial use only)

  • Local-source audio input will mute during override signal from AMP-link.

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DCA2.500 AMP-Link module:



  • Loudspeaker output: DCA2.500

  • Rated channel load 20 ohm (100 V)

  • Rated output power/ch 500 W (100 V)

  • Frequency response: 3 Hz to 35 kHz (-3dB)

  • Distortion <0,1% @ 1 kHz (-3dB)

  • EN54-16:2008 

  • EN54-4:1997/A1:2002/A2:2006

Power consumption:
  • AC 110V/ 230 VAC / 1300W

  • DC 45 A @24VDC

Battery charger:
  • Charging capacity: 4A

  • Clustercharging: N x 4A with a maximum of 64A

  • 19” rack use, (HxWxD)

  • with brackets 88,5 x 483 x 350 mm

  • Weight 8 kg

  • Colour RAL3002

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