คำอธิบาย

TOA DA-500FH เป็นพาวเวอร์แอมปลิไฟเออร์ดิจิตอลแบบ 4 แชนแนลออกแบบมาให้ใช้งานกับ high-impedance (100V) มีน้ำหนักเบา กำลังขับสูง กำลังขับ 500 W × 4 (20Ω output) แต่ละช่องสัญญาณจะมีไฟเลี้ยงในตัวเอง โดยตัวแอมปลิไฟเออร์มีขนาดเพียง 2 Unit เท่านั้น

สเปค

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