TOA DA-550F Multichannel Power Amplifier

รหัสสินค้า : DA-550F

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TOA DA-550F Multichannel Power Amplifier

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

Power Source220 - 240 V AC, 50/60 HzAmplification SystemClass DPower Consumption480 W (based on EN standards)

2750 W (rated output 4 Ω × 4)

1550 W (rated output 8 Ω × 4)Input4 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 Output4 channels: 550 W × 4 (4 Ω). 350 W x 4 (8 Ω)

2 channels (BRIDGE): 1100 W × 2 (8 Ω)

M4 screw terminal, distance between barriers: 8.8 mm (0.35")Frequency Response20 Hz - 20 kHz (-2 dB, +1 dB)Total Harmonic Distortion0.1 % (1 kHz)

0.15 % (20 Hz - 20 kHz)Protection CircuitProtection 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 Ratio100 dB (A-weighted)Crosstalk70 dB (A-weighted)Control/MonitorControl 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 IndicatorPower (blue) × 1, Input (green) x 4, Output (yellow) x 4, Peak (red) x 4,

Protect (red) × 4CoolingForced air coolingOperating Temperature-10 °C to +40 °C (14 °F to 104 °F)Operating Humidity90 %RH or less (no condensation)FinishPanel: Aluminum, black, alumite

Case: Plated steel sheetDimensions482 (W) × 88.4 (H) × 404.2 (D) mm (18.98 × 3.48" × 15.91)Weight9 kg (19.84 lb)AccessoryPower cord (2 m (6.56 ft)), Removable terminal plug (3 pins) x 4,

Tamper-proof cap x 4, Rack mounting screw (with washer) x 4