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* 0 dB = 0.775 V
Note: The design and specifications are subject to change without notice for improvement.
Power cord (2 m) ................................................................. 1
Removable terminal plug (3 pins) ........................................ 4
Rack mounting screw (with plain washer) 5 x 12 ................ 4
Tamper-proof cap ................................................................ 4
• Accessories
220 – 240 V AC, 50/60 Hz
Digital class D
480 W (based on EN standards), 2750 W (rated output 4 Ω x 4),
1550 W (rated output 8 Ω x 4)
4 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: CH 1 to All ch, OFF: Each ch)
4 channels: 550 W x 4 (4 Ω), 350 W x 4 (8 Ω)
2 channels (BRIDGE): 1,100 W x 2 (8 Ω)
M4 screw terminal, distance between barriers: 8.8 mm
20 – 20,000 Hz (–2 dB, +1 dB)
0.1% (1 kHz), 0.15% (20 – 20,000 Hz)
Protection against excessive current flow due to overload, short circuit,
unusual DC voltage output, and heat sink temperature rise (over 100°C)
100 dB (A-weighted)
70 dB (A-weighted)
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: under 12 mA
Connector: RJ45 connector x 2
Connection cable: Shielded Category 5 twisted pair cable for LAN (CAT5-STP)
Maximum cable distance: 600 m
Power (blue) x 1, Input (green) x 4, Output (yellow) x 4, Peak (red) x 4,
Protect (red) x 4
Forced air cooling
–10°C to +40°C
Under 90% RH (no condensation)
Panel: Aluminum, black, alumite
Case: Plated steel sheet
482. (w) x 88.4 (h) x 404.2 (d) mm
9 kg
Power Source
Amplification system
Power Consumption
Input
Rated Output
Frequency Response
Total Harmonic Distortion
Protection circuit
S/N Ratio
Crosstalk
Control/Monitor
LED Indicator
Cooling
Operating Temperature
Operating Humidity
Finish
Dimensions
Weight
16. SPECIFICATIONS
16.1. DA-550F CE