DA-250F (TOA) Multichannel Power Amplifier

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77,300.00 บาท

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DA-250F (TOA) Multichannel Power Amplifier

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).

Power Source220 - 240 V AC, 50/60 Hz
Amplification SystemClass D
Power Consumption294 W (based on EN standards)
1200 W (rated output 4 Ω × 4)
800 W (rated output 8 Ω × 4)
Input4 circuits, +4 dB* (1.23V) (input level control in max. 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)
Rated Output4 channels: 250 W × 4 (4 Ω), 170W x 4 (8 Ω)
2 channels (BRIDGE): 500 W × 2 (8 Ω)
M4 screw terminal, distance between barriers: 8.8 mm (0.35")
Frequency Response20 Hz - 20 kHz (±1 dB)
Total Harmonic Distortion0.1 % (1 kHz)
0.3 % (20 Hz - 20 kHz)
Protection CircuitProtection 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 Ratio100 dB (A-weighted)
Crosstalk70 dB (A-weighted)
LED IndicatorPower (blue) × 1, Input (green) x 4, Output (yellow) x 4, Peak (red) x 4,
Protect (red) × 4
CoolingForced air cooling
Operating Temperature-10 °C to +40 °C (14 °F to 104 °F)
Operating Humidity90 %RH or less (no condensation)
FinishPanel: Aluminum, black, alumite
Case: Plated steel sheet
Dimensions482 (W) × 44 (H) × 401.8 (D) mm (18.98 × 1.73" × 15.82)
Weight6.8 kg (14.99 lb)
AccessoryPower cord (2 m (6.56 ft)) x 1, Removable terminal plug (3 pins) x 4,
Tamper-proof cap x 4, Rack mounting screw (with plain washer) x 4
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