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TOA Multichannel Power Amplifier - DA250FCU
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Literature
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).
| Specifications | |
|---|---|
| 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 |
