DA-250F
Multi-channel Digital Power Amplifier
DiscontinuedDA-250F
The DA-250F is a 4-Channel Digital Power Amplifier featuring lightweight, compact, high power output, and high efficiency. It delivers 250 W x 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).
- 4 x 250 W rated power
- 4 Ω speaker outputs
- Low power consumption and light weight
- Each channel with independent power supply
- Control covers eliminate tampering
- Low-noise constant speed fans
- Stacking possible
- Bridged mode possible
- Protection circuitry
- Pulse width modulation with controlled power supply
*0 dB = 0.775 V
Power Source
220 - 240 V AC, 50/60 Hz
Amplification System
Class D
Power Consumption
294W (based on EN standards)
1200 W (rated output 4 Ω x 4)
800 W (rated output 8 Ω x 4)
1200 W (rated output 4 Ω x 4)
800 W (rated output 8 Ω x 4)
Rated Output
4 channels: 250 W x 4 (4 Ω), 170 W x 4 (8 Ω)
2 channels (BRIDGE): 500 W x 2 (8 Ω)
M4 screw terminal, distance between barriers: 8.8 mm (0.35)
2 channels (BRIDGE): 500 W x 2 (8 Ω)
M4 screw terminal, distance between barriers: 8.8 mm (0.35)
Input
4 circuits, +4 dB* (1.23 V) (input level control in maximum position),
10 kΩ, electronically-balanced, removable terminal block (3 pins)
CH 1 mode ON/OFF switch (ON: CH 1 to All ch, OFF: Each ch)
10 kΩ, electronically-balanced, removable terminal block (3 pins)
CH 1 mode ON/OFF switch (ON: CH 1 to All ch, OFF: Each ch)
Frequency Response
20 Hz - 20 kHz (±1 dB)
Total Harmonic Distortion
0.1 % (1 kHz)
0.3 % (20 Hz - 20 kHz)
0.3 % (20 Hz - 20 kHz)
Signal to Noise Ratio
100 dB (A-weighted)
Crosstalk
70 dB (A-weighted)
Protection Circuit
Protection against excessive current flow due to overload,
short circuit, unusual DC voltage output,
temperature rise at power amp. heat sink (110 ℃ (230 ℉) or more),
temperature rise inside the unit (80 ℃ (176 ℉) or more)
short circuit, unusual DC voltage output,
temperature rise at power amp. heat sink (110 ℃ (230 ℉) or more),
temperature rise inside the unit (80 ℃ (176 ℉) or more)
LED Indicator
Power (blue) x 1, Input (green) x 4, Output (yellow) x 4,
Peak (red) x 4, Protect (red) x 4
Peak (red) x 4, Protect (red) x 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
Case: Plated steel sheet
Dimensions
482 (W) x 44 (H) x 401.8 (D) mm (18.98 x 1.73" x 15.82")
Weight
6.8 kg (14.99 lb)
Included Accessories
Power cord (2 m (6.56 ft) …1, Removable terminal plug (3 pins) …4,
Tamper-proof cap …4, Rack mounting screw (with plain washer) …4
Tamper-proof cap …4, Rack mounting screw (with plain washer) …4
Please download Datasheet to access full specifications.
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