TOA DA-250FH CU 4-Channel Digital Power Amplifier, 4 x 250W at 70V

OUR PART #: DA250FHCU MFR #: DA-250FH CU

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The TOA DA-250FH multi-channel digital power amplifier is ideal for multi-zone distributed speaker systems and professional sound applications. ...Read more

TOA DA-250FH CU 4-Channel Digital Power Amplifier, 4 X 250W At 70V Image 1
TOA DA-250FH CU 4-Channel Digital Power Amplifier, 4 X 250W At 70V Image 2
TOA DA-250FH CU 4-Channel Digital Power Amplifier, 4 X 250W At 70V
Our Price: $1,704.80
List Price: $2,109.70
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Product Overview

The TOA DA-250FH multi-channel digital power amplifier is ideal for multi-zone distributed speaker systems and professional sound applications. Engineered with Class D technology, the DA-250FH amplifier operates 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. Competitively priced, the DA Series multi-channel power amplifiers are backed by TOA’s five-year warranty.

The DA-250FH is a 4-Channel Digital Power Amplifier designed for 70V line high-impedance distribution and features lightweight, compact, high power output, and high efficiency. It delivers 250W × 4 channels (19.6Ω output) using a switching power supply. Each channel is equipped with an independent power section. It can be electrically isolated from the high-impedance speaker system by attaching the MT-251H Output Transformer (optional). It can be mounted in an EIA Standard equipment rack (1 unit size).

Includes

  • DA-250FH Digital Power Amp
  • Power cord (2m)
  • (4) Removable terminal plugs (3 pins)
  • (4) Tamper-proof caps

Features

  • Class D design that's 85% efficient
  • 30% less power consumption than conventional amps
  • Stack up to 5 units without open space between
  • Independent power supply for each channel
  • Low heat dissipation

Specifications

  • Power Source: 120VAC, 50 / 60Hz
  • Amplification System: Class D
  • Power Consumption:
    • 200W (based on UL / CSA standards)
    • 1200W (rated output 70V line, 19.6Ω × 4)
  • Input: 4 circuits, +4dB* (1.23V) (input level control in maximum position), 10kΩ, electronically-balanced, removable terminal block (3 pins) - CH 1 mode ON/OFF switch (ON: CH 1 to All ch, OFF: Each ch)
  • Rated Output:
    • 4 channels: 250W × 4 (70V line, 19.6Ω)
    • 2 channels (BRIDGE): 500W × 2 (140V line, 39.2Ω)
  • M4 screw terminal, distance between barriers: 8.8mm
  • Frequency Response:
    • 20 - 20,000Hz (± 1dB): HPF OFF / (selectable with the inner jumper)
    • 50 - 20,000 Hz (-3dB, +1dB): HPF ON
  • Total Harmonic Distortion:
    • 0.1% (1kHz), 0.3% (20 - 20,000Hz): HPF OFF
    • 0.1% (1kHz), 0.3% (100 - 20,000Hz): HPF ON
  • Protection Circuit: Protection against excessive current flow due to overload, short circuit, unusual DC voltage output, temperature rise at power amp. heat sink (110℃ or more), temperature rise inside the unit (80℃ or more)
  • S/N Ratio:: 100dB (A-weighted)
  • Crosstalk: 70dB (A-weighted)
  • LED Indicator:
    • Power (blue) × 1
    • Input (green) × 4
    • Output (yellow) × 4
    • Peak (red) × 4
    • Protect (red) × 4
  • Cooling: Forced air cooling
  • Operating Temperature: -10℃ to +40℃
  • Operating Humidity: 90% RH or less (no condensation)
  • Finish:
    • Panel: Aluminum, black, alumite
    • Case: Plated steel sheet
  • Dimensions: 482 (W) × 44 (H) × 401.8mm (D)
  • Weight: 6.6kgs

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