DA-550F

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*0 dB = 0.775 V

Power Source 220 – 240 V AC
Amplification System Class D
Power Consumption 480 W (based on EN standards)
2750 W (rated output 4 Ω × 4)
1550 W (rated output 8 Ω × 4)
Input 4 circuits
10 kΩ
XLR-3-31 type connector
CH 1 mode ON/OFF switch (ON: CH 1 to All ch
Rated Output 4 channels: 550 W × 4 (4 Ω)
2 channels (BRIDGE): 1100 W × 2 (8 Ω)
M4 screw terminal
Frequency Response 20 Hz – 20 kHz (-2 dB
Total Harmonic Distortion 0.1 % (1 kHz)
0.15 % (20 Hz – 20 kHz)
Protection Circuit Protection against excessive current flow due to overload
unusual DC voltage output
temperature rise at power amp. heat sink (100 ℃ (212 ゜F) or more)
temperature rise at power supply heat sink (80 ℃ (176 ゜F) or more)
S/N Ratio 100 dB (A-weighted)
Crosstalk 70 dB (A-weighted)
Control/Monitor Control input: Power ON/OFF status of the individual channels
photocoupler input
Monitor output: Power ON/OFF status of the individual channels
Protection status of the individual channels
Fan operation status
photocoupler open collector output
control current: 12 mA or less
Connector: RJ-45 connector × 2
Connection cable: Shielded Category 5 twisted pair cable for LAN (CAT5-STP)
Maximum cable distance: 600 m (656.17 yd)
LED Indicator Power (blue) × 1
Protect (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) × 88.4 (H) × 404.2 (D) mm (18.98 × 3.48″ × 15.91)
Weight 9 kg (19.84 lb)
Accessory Power cord (2 m (6.56 ft))
Rack mounting screw (with washer) …4