Description

The DA-250DH is a 2-Channel Digital Power Amplifier designed for 70 V line high-impedance distribution and features lightweight, compact, high power output, and high efficiency. It delivers 250 W x 2 channels (40 Ω 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).

FEATURES

  • 70 V speaker outputs
  • 2x 250 W rated power
  • Class D design 85 % efficient
  • Independent power supply for each channel
  • Light weight and compact
  • Stack up to 5 units without open spaces between units
  • Selectable stereo or bridge operation (DA-250D)
  • Forced-air cooling system
  • Low heat dissipation
  • Comprehensive protection circuitry
  • Removable dust filters for easy maintenance

SPECIFICATIONS

Key Specs

Number of Channels
2
Amplifier Power Rating
70 V:
2x 250 W
140 V:
1x 500 W Bridged
Analog Audio I/O
2x Block 3-Pin Input
2x Barrier Strip Output

Amplifier

Number of Channels
2
Amplifier Power Rating
70 V:
2x 250 W
140 V:
1x 500 W Bridged

Performance

Frequency Response
20 Hz to 20 kHz ±1 dB
Input Sensitivity
1.23 V / +4 dB
Input Impedance
20 Kilohms (Balanced)
10 Kilohms (Unbalanced)
SNR
100 dB
THD
0.1% (1 kHz)
0.3% (Full Range)

Connectivity

Analog Audio I/O
2x Block 3-Pin Input
2x Barrier Strip Output

Power

AC Input Power
120 VAC, 50 / 60 Hz
Current Consumption
7.8 A
Power Consumption
580 W

Physical

Display & Indicators
1x Blue LED (Power)
2x Green LED (Input)
2x Yellow LED (Output)
2x Red LED (Peak)
2x Red LED (Protect)
Dimensions
19.0 x 1.7 x 15.7″ / 482.0 x 44.0 x 401.0 mm
Weight
11 lb / 5 kg

Packaging Info

Package Weight
17.8 lb
Box Dimensions (LxWxH)
23.4 x 22.7 x 4.4″
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