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> DPA Digital Class-D Amplifier

DPA Series

Product Number: DPA


The DPA is a digital power amplifier with extremely low power consumption (0.2W per channel) during standby mode, and high amplification efficiency of 90%. A four-step DIP switch can be configured to enable/disable the function of standby mode (power-save mode) when powered by AC mains; to request the LEDs on the front panel to comply to EN54-16; and to enable/disable the battery monitoring.


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Description

Digital Power Amplifier

The DPA is a digital power amplifier with extremely low power consumption (0.2W per channel) during standby mode, and high amplification efficiency of 90%. A four-step DIP switch can be configured to enable/disable the function of standby mode (power-save mode) when powered by AC mains; to request the LEDs on the front panel to comply to EN54-16; and to enable/disable the battery monitoring.

 

 

 

The amplifiers are powered by 100 VAC ~ 240 VAC 50/60 Hz or 48 VDC battery backup. Each model has the line inputs with individual volume gain, status LEDs (power, battery, fault, general fault, overload and signal) on the front panel, and the DPA models can bridge two channels to double the power wattage.

Features

  • Class-D amplification performance and energy-efficient design
  • Universal switch mode power supply with PFC (Power Factor Correction)
  • Full protection circuitry against over/under AC voltage, overload, overheat, short-to-ground or short circuit on speaker lines
  • Four models available: DPA8060 (60W x 8CH), DPA4125 (125W x 4CH) and DPA4250 (250W x 4CH) and DPA2500 (500W x 2CH)
  • Support bridging two channels to double the power wattage
  • Airow cooling by internal speed fan (temperature controlled)
    Applicable for full scale of system applications: hotel, railway, airport, houses of worship, educational and sports fac ilities, club etc.

Specifications

Electrical

  • AC pwoer input: 100 VAC ~ 240 VAC, 50/60 Hz
  • Power consumption (AC)
model idle 1/2 full power full power
DPA8060 42VA 365VA 705VA
DPA4125 34VA 340VA 650VA
DPA4250 38VA 660VA 1300VA
DPA2500 28VA 700VA 1320VA

 

* Idle: pilot tone -36 dB
* 1/2 full power: alarm tone

  • Power consumption (DC)
  • DC pwoer input: 43 VDC ~ 56 VDC
model standby mode idle 1/8 full power 1/2 full power full power
DPA8060 2W 35W 92W 330W 635W
DPA4125 0.7W 30W 85W 305W 585W
DPA4250 0.7W 34W 165W 595W 1170W
DPA2500 0.7W 25W 175W 630W 1180W

 

 

* Idle: pilot tone -36 dB
* 1/8 full power: speech
* 1/2 full power: alarm tone

  • Amplifier outputs
    • EU type: 100V, 50V, 4 ohm
    • US type: 70V, 35V, 4 ohm

Audio Characteristics

  • Frequency response: 50 ~ 20 kHz (±3 dB) @ 0 dBu
  • SNR: > 90 dB
  • THD+N: < 0.1% @ 1 kHz
  • Maximum input level: 0 dBu
  • Input impedance
    • DPA2500: 10k ohm
    • DPA8060/DPA4125/DPA4250: 12k ohm
  • Crosstalk: > 70 dB @ 0 dBu gain

Mechanical

  • Dimensions (W x H x D)
    • DPA8060: 437 x 88 x 400 mm 
    • DPA4125: 437 x 88 x 370 mm
    • DPA4250: 437 x 88 x 387 mm
    • DPA2500: 437 x 88 x 387 mm 
  • Dimensions (W x H x D)
    • DPA8060: 14.8 kg
    • DPA4125: 14.5 kg
    • DPA4250: 14.5 kg
    • DPA2500: 16 kg
  • Mounting: 19″ 2U rack
  • Colour: RAL 7016

Environmental

  • Operating temperature: -5 ºC ~ +55 ºC (+23 ºF ~ +131 ºF)
  • Storage temperature: -40 ºC ~ +70 ºC (-40 ºF ~ +158 ºF)
  • Relative humidity: 20 % to 95 %
  • Air pressure: 600 to 1100 hPa
  • Heat dissipation
    • DPA8060: 767 BTU/hr
    • DPA4125: 512 BTU/hr
    • DPA4250: 1024 BTU/hr
    • DPA2500: 1092 BTU/hr

Applications

Contact Us

ATEÏS Middle East – Dubai (HQ)

 

LIU-1 No.10 & 11 Dubai Silicon Oasis P.O. Box 293640 Dubai U.A.E
T: +971 (4) 3262730 F: +971 (4) 3262731
E: info@ateis.ae  –  Linkedin  –  Twitter – Youtube

 

ATEÏS Middle East – India

 

4th Floor, 411, V Times Square,  Sector 15, CBD Belapur,
Navi Mumbai – 400 614.
Tel:- +91 22 4968 7447