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4-Channel Digital Power Amplifier, 250W Per Channel (4 Ohms)


The TOA DA-250F is a lightweight, compact 4-channel digital power amplifier featuring high power output...
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The TOA DA-250F is a lightweight, compact 4-channel digital power amplifier featuring high power output, delivering 250 Watts per channel (4 Ohm output) using a switching power supply. Each channel is equipped with an independent power section. This amp can be mounted in an EIA standard equipment rack (1RU).

The DA Series multi-channel digital power amplifiers are ideal for multi-zone distributed speaker systems and professional sound applications. Engineered with Class D technology, the DA Series amplifiers operate at 85 percent efficiency and consume almost one-third less power than conventional analog amplifiers. The compact and lightweight design and ultra-low heat dissipation allow designers to rack-mount up to five units without open space between units.

The DA Series is comprised of high and low impedance four-channel models each equipped with an independent power supply for each channel to assure continuous operation and unmatched reliability and performance. Other features include recessed stepped attenuators for precise gain calibration, removable dust filters for easy maintenance, and optional isolation transformer.

TOA DA-250F Features:

  • 4x 250W (4 Ohms), 4x 170W (8 Ohms), 2x 500W bridged (8 Ohms), Limiter
  • Class D design – 85% efficient!
  • 30% lower power consumption than conventional amplifiers
  • Stack up to 5 units without open spaces between units
  • Lightweight (14.6 to 19.4 lbs.)
  • Independent power supply for each channel
  • Low heat dissipation
  • Recessed stepped attenuators
  • Comprehensive protection circuitry
  • Removable dust filters for easy maintenance
  • Optional transformer: 8 ohm to 70V transformer (300W), model MT-450M
  • Five year warranty

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