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Digital Power Amplifier

DPA Series

  • DPA Series0
Liên hệ
  • Class-D amplication 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.

Eletrical

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

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

  • DC pwoer input: 43 VDC ~ 56 VDC
  • Power consumption (DC)
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 (17.2 x 3.5 x 15.7 inch)
    • DPA4125: 437 x 88 x 370 mm (17.2 x 3.5 x 14.6 inch)
    • DPA4250: 437 x 88 x 387 mm (17.2 x 3.5 x 15.2 inch)
    • DPA2500: 437 x 88 x 387 mm (17.2 x 3.5 x 15.2 inch)
  • Dimensions (W x H x D)
    • DPA8060: 14.8 kg (32.6 lbs)
    • DPA4125: 14.5 kg (32 lbs)
    • DPA4250: 14.5 kg (32 lbs)
    • DPA2500: 16 kg (35.2 lbs)
  • 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
[Datasheet] DPA

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