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DA-250D Dual Power Amplifier

DA-250D CU

The DA-250D is a 2-Channel Digital Power Amplifier featuring lightweight, compact, high power output, and high efficiency. It delivers 250 W x 2 channels (4 ohm output) using a switching power supply. Each channel is equipped with an independent power section. It can be mounted in an EIA Standard equipment rack (1 unit size).

  

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Specification
*0 dB = 0.775 V
Power Source 120 V AC, 50/60 Hz
Amplification System Class D
Power Consumption 120 W (based on UL/CSA standards)
650 W (rated output 4 Ω × 2)
420 W (rated output 8 Ω × 2)
Input 2 circuits, +4 dB* (1.23 V) (input level control in maximum position),
10 kΩ, electronically-balanced, removable terminal block (3 pins),
XLR-3-31 type connector
CH 1 mode ON/OFF switch (ON: PARALLEL, OFF: STEREO)
Rated Output 2 channels: 250 W × 2 (4 Ω), 170 W × 2 (8 Ω)
1 channel (BRIDGE): 500 W × 1 (8 Ω)
M4 screw terminal, distance between barriers: 8.8 mm (0.35")
Frequency Response 20 - 20,000 Hz (±1 dB)
Total Harmonic Distortion 0.1% (1 kHz)
0.3% (20 - 20,000 Hz)
Protection Circuit Protection against excessive current flow due to overload,
short circuit, unusual DC voltage output,
temperature rise at power amp. heat sink (100℃ or more (212゜F)),
temperature rise inside the unit (80℃ or more (176゜F))
S/N Ratio 100 dB (A-weighted)
Crosstalk 70 dB (A-weighted)
LED Indicator Power (blue) × 1, Input (green) × 2, Output (yellow) × 2,
Peak (red) × 2, Protect (red) × 2
Cooling Forced air cooling
Operating Temperature -10℃ to +40℃ (14゜F to 104゜F)
Operating Humidity 90% RH or less (no condensation)
Finish Panel: Aluminum, black, alumite Case: Plated steel sheet
Dimensions 482 (W) × 44 (H) × 401.8 (D) mm (18.98" × 1.73" × 15.82")
Weight 5 kg (11.02 lb)
Accessory Power cord (2 m (6.56 ft)) …1, Removable terminal plug (3 pins) …2,
Tamper-proof cap …2
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