เครื่องขยายเสียง ยี่ห้อ TOA รุ่น DA-250DH CE
| Power Source | 120 V AC, 50/60 Hz |
|---|---|
| Amplification System | Class D |
| Power Consumption | 120 W (based on UL/CSA standards) 580 W (rated output 70 V line, 19.6 Ω × 2) |
| Input | 2 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: PARALLEL, OFF: STEREO) |
| Rated Output | 2 channels: 250 W × 2 (70 V line, 19.6 Ω) 1 channel (BRIDGE): 500 W × 1 (140 V line, 39.2 Ω) M4 screw terminal, distance between barriers: 8.8 mm (0.35″) |
| Frequency Response | 20 – 20,000 Hz (±1 dB): HPF OFF/50 – 20,000 Hz (-3 dB, +1 dB): HPF ON (selectable with the inner jumper) |
| Total Harmonic Distortion | 0.1% (1 kHz), 0.3% (20 – 20,000Hz): HPF OFF 0.1% (1 kHz), 0.3% (100 – 20,000 Hz): HPF ON |
| Protection Circuit | Protection against excessive current flow due to overload, short circuit, unusual DC voltage output, temperature rise at power amp. heat sink (100℃ or more (212゜F)), temperature rise inside the unit (80℃ or more (176゜F)) |
| S/N Ratio | 100 dB (A-weighted) |
| Crosstalk | 70 dB (A-weighted) |
| LED Indicator | Power (blue) × 1, Input (green) × 2, Output (yellow) × 2, Peak (red) × 2, Protect (red) × 2 |
| Cooling | Forced air cooling |
| Operating Temperature | -10℃ to +40℃ (14゜F to 104゜F) |
| 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 (18.98″ × 1.73″ × 15.82″) |
| Weight | 5 kg (11.02 lb) |
| Accessory | Power cord (2 m (6.56 ft)) …1, Removable terminal plug (3 pins) …2, Tamper-proof cap …2 |
| Option | Matching transformer: MT-251H |
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