Digital Power Amplifier
ดิจิตอลแอมป์แบบสวิทซ์ซิ่ง ขนาดเล็กน้ำหนักเบา ให้กำลังขับสูง
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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).
Specification *0 dB = 0.775 V
| Power Source |
220 - 240 V AC |
| Amplification System |
Class D |
| Power Consumption |
120 W (based on EN standards)
620 W (rated output 4 Ω × 2)
400 W (rated output 8 Ω × 2) |
| Input |
2 circuits
10 kΩ
XLR-3-31 type connector
CH 1 mode ON/OFF switch (ON: PARALLEL |
| Rated Output |
2 channels: 250 W × 2 (4 Ω)
1 channel (BRIDGE): 500 W × 1 (8 Ω)
M4 screw terminal |
| Frequency Response |
20 Hz - 20 kHz (±1 dB) |
| Total Harmonic Distortion |
0.1 % (1 kHz)
0.3 % (20 Hz - 20 kHz) |
| Protection Circuit |
Protection against excessive current flow due to overload
short circuit
temperature rise at power amp. heat sink (100 ℃ (212 ゜F) or more)
temperature rise inside the unit (80 ℃ (176 ゜F) or more) |
| S/N Ratio |
100 dB (A-weighted) |
| Crosstalk |
70 dB (A-weighted) |
| LED Indicator |
Power (blue) × 1
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
Case: Plated steel sheet |
| Dimensions |
482 (W) × 44 (H) × 401.8 (D) mm (18.98 × 1.73" × 15.82) |
| Weight |
5.3 kg (11.68 lb) |
| Accessory |
Power cord (2 m (6.56 ft)) …1
Tamper-proof cap …2 |
