TOA DA-250F Multichannel Power Digital Amplifier View larger

TOA DA-250F Multichannel Power Digital Amplifier

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The DA-250F is a 4-Channel Digital Power Amplifier featuring lightweight, compact, high power output, and high efficiency. 

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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).

Specification

Power Source 120 V AC, 50/60 Hz
Amplification System Class D
Power Consumption 200 W (based on UL/CSA standards)
1300 W (rated output 4 Ω × 4)
850 W (rated output 8 Ω × 4)
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)
Rated Output 4 channels: 250 W × 4 (4 Ω), 170 W × 4 (8 Ω)
2 channels (BRIDGE): 500 W × 2 (8 Ω)
M4 screw terminal, distance between barriers: 8.8 mm
Frequency Response 20 - 20,000 Hz (±1 dB)
Total Harmonic Distortion 0.1% (1 kHz)
0.3% (20 - 20,000 Hz)
Protection Circuit Protection against excessive current flow due to overload,
short circuit, unusual DC voltage output,
temperature rise at power amp. heat sink (110℃ or more),
temperature rise inside the unit (80℃ or more)
S/N Ratio 100 dB (A-weighted)
Crosstalk 70 dB (A-weighted)
LED Indicator Power (blue) × 1, Input (green) × 4, Output (yellow) × 4,
Peak (red) × 4, Protect (red) × 4
Cooling Forced air cooling
Operating Temperature -10℃ to +40℃
Operating Humidity 90% RH or less (no condensation)
Finish Panel: Aluminum, black, alumite Case: Plated steel sheet
Dimensions 482 (W) × 44 (H) × 401.8 (D) mm
Weight 6.6 kg
Accessory Power cord (2 m) …1, Removable terminal plug (3 pins) …4,
Tamper-proof cap …4

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TOA DA-250F Multichannel Power Digital Amplifier

TOA DA-250F Multichannel Power Digital Amplifier

The DA-250F is a 4-Channel Digital Power Amplifier featuring lightweight, compact, high power output, and high efficiency.