Description
DA-550F Multichannel Power Amplifier
Power Source | 220 – 240 V AC, 50/60 Hz |
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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, +4 dB* (1.23V) (input level control in max. position), 10 kΩ, electronically-balanced, removable terminal block (3 pins), XLR-3-31 type connector CH 1 mode ON/OFF switch (ON: CH 1 to All ch, OFF: Each ch) |
Rated Output | 4 channels: 550 W × 4 (4 Ω). 350 W x 4 (8 Ω) 2 channels (BRIDGE): 1100 W × 2 (8 Ω) M4 screw terminal, distance between barriers: 8.8 mm (0.35″) |
Frequency Response | 20 Hz – 20 kHz (-2 dB, +1 dB) |
Total Harmonic Distortion | 0.1 % (1 kHz) 0.15 % (20 Hz – 20 kHz) |
Protection Circuit | Protection against excessive current flow due to overload short circuit, unusual DC voltage output, temperature rise at power amp. heat sink (100 °C (212 °F) or more) temperature rise inside the unit (80 °C (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, drive voltage: 9 V DC (Min) – 14 V (Max), 12 V (Typ) Monitor output: Power ON/OFF status of the individual channels, Protection status of the individual channels, Fan operation status photocoupler open collector output, withstand voltage: 30 V DC, 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, Input (green) x 4, Output (yellow) x 4, Peak (red) x 4, Protect (red) × 4 |
Cooling | Forced air cooling |
Operating Temperature | -10 °C to +40 °C (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) × 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)), Removable terminal plug (3 pins) x 4, Tamper-proof cap x 4, Rack mounting screw (with washer) x 4 |
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