Description
The DA-250D is a 2-Channel Digital Power Amplifier featuring lightweight, compact, high power output, and high efficiency. It delivers 250 W × 2 channels (4 Ω 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).
Power Source | 120 V AC, 50/60 Hz |
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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 |