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DA-250F Multichannel Power Amplifier

DA-250F

The DA-250F is a 4-Channel Digital Power Amplifier featuring lightweight, compact, high power output, and high efficiency. It delivers 250 W × 4 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).

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Specification
*0 dB = 0.775 V
Power Source 220 - 240 V AC
Amplification System Class D
Power Consumption 200 W (based on EN standards)
1200 W (rated output 4 Ω × 4)
800 W (rated output 8 Ω × 4)
Input 4 circuits
10 kΩ
CH 1 mode ON/OFF switch (ON: CH 1 to All ch
Rated Output 4 channels: 250 W × 4 (4 Ω)
2 channels (BRIDGE): 500 W × 2 (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 (110 ℃ (230 ゜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
Peak (red) × 4
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 6.8 kg (14.99 lb)
Accessory Power cord (2 m (6.56 ft)) …1
Tamper-proof cap …4
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