DA-500FH
DA-500FH เป็นพาวเวอร์แอมปลิไฟเออร์ดิจิตอลแบบ 4 แชนแนลออกแบบมาให้ใช้งานกับ high-impedance (100V) มีน้ำหนักเบา กำลังขับสูง กำลังขับ 500 W × 4 (20Ω output) แต่ละช่องสัญญาณจะมีไฟเลี้ยงในตัวเอง โดยตัวแอมปลิไฟเออร์มีขนาดเพียง 2 Unit เท่านั้น
- *0 dB = 0.775 V
| Power Source | 220 - 240 V AC, 50/60 Hz |
|---|---|
| Amplification System | Class D |
| Power Consumption | 460 W (based on EN standards) 2350 W (rated output 100 V line, 20 Ω x 4) |
| Input | 4 circuits, +4 dB* (1.23V) (input level control in max. position), 10 kΩ, electronically-balanced, removable terminal block (3 pins), XLR-3-31 type connector CH 1 mode ON/OFF switch (ON: CH 1 to All ch, OFF: Each ch) |
| Rated Output | 4 channels: 500 W × 4 (100 V line, 20 Ω) M4 screw terminal, distance between barriers: 8.8 mm (0.35") |
| Frequency Response | 50 Hz - 20 kHz (-3 dB, +1 dB) |
| Total Harmonic Distortion | 0.1 % (1 kHz) 0.3 % (100 Hz - 20 kHz) |
| Protection Circuit | Protection 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 Ratio | 100 dB (A-weighted) |
| Crosstalk | 70 dB (A-weighted) |
| Control/Monitor | Control input: Power ON/OFF status of the individual channels photocoupler input, drive voltage: 9 V DC (Min) - 14 V (Max), 12 V (Typ) Monitor output: Power ON/OFF status of the individual channels, Protection status of the individual channels, Fan operation status photocoupler open collector output, withstand voltage: 30 V DC, control current: 12 mA or less Connector: RJ-45 connector × 2 Connection cable: Shielded Category 5 twisted pair cable for LAN (CAT5-STP) Maximum cable distance: 600 m (656.17 yd) |
| LED Indicator | Power (blue) × 1, Input (green) x 4, Output (yellow) x 4, Peak (red) x 4, Protect (red) × 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 |
| Dimensions | 482 (W) × 88.4 (H) × 404.2 (D) mm (18.98 × 3.48" × 15.91) |
| Weight | 9 kg (19.84 lb) |
| Accessory | Power cord (2 m (6.56 ft)) x 1, Removable terminal plug (3 pins) x 4, Tamper-proof cap x 4, Rack mounting screw (with washer) x 4 |
| Option | Matching transformer: MT-251H |
