Power Amplifier 4 x Channel Power amplifier, 750W per ch,4 Ohm-16 Ohm, 2 CH 1500W 70v-100v, analogue input class D
หมายเลขสินค้า : QX4750
ราคา 83,200.00 บาท
ราคาปกติ : 104,000.00 บาท
ประหยัดไป 20,800.00 บาท
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Power Amplifier 4 x Channel Power amplifier, 750W per ch,4 Ohm-16 Ohm, 2 CH 1500W 70v-100v, analogue input class D
เพาเวอร์แอมป์ 4 ชาแนล QUEST QX4750 Rackmount Professional Amplifier เป็นเพาเวอร์แอมป์ขนาด 1RU มีกำลังขยาย 750 วัตต์ 4 Ohm per channel class D technology, DanteTM/AES67 inputs available via Dante expansion card, Euroblock style I/O connectors
The Quest Engineering QX4750 is a 2 RU power amplifier suited for any application requiring superior performance and reliability. Ideal for multiple zone applications providing commercial sound installations with clean and reliable power.
The QX4750 provides 750 watts per channel of operation into 4 and 8 ohm loads and can bridge channel outputs that can be configured to deliver full channel power to either low- or high-impedance loads. HP and LP filters, limiters and standby are available per channel with fast 1ms wake up time.
For high end commercial, AV or domestic applications, the QX range of amplifiers provide superior class D performance with proven reliability without compromise
Features:
- Superior class D technology providing high performance power amplification.
- Auto Load Sensing 4-16 Ohm, 70V – 100V Hi Z
- Energy star compliance, standby power saving mode available per channel (switchable)
- UMAC™ Class-D – full bandwidth PWM modulator with ultra-low distortion
- DanteTM/AES67 inputs available via Dante expansion card
- Individual volume control, standby, 80Hz HPF, 100Hz LPF,Limiter
- Short circuit protection, DC protection, under voltage protection, temperature protection, overload protection, HF protection
- UREC™ universal mains switch mode power supply with Power Factor Correction (PFC) and integral standby converter
- Euroblock style amplifier I/O connectors
- High Dynamic range incorporating, DynamiQ Bass technology®
- Designed, Engineered, and Assembled in Australia
Specifications
Maximum Dynamic Power (@1KHz, 1% THD)
Per Channel
- 8ohm : 4x 400W
- 4Ohm : 4x 750W
- 70V (22Ohm) : NA
- 100V (33Ohm) : NA
Bridged-Mono Mode
- 8Ohm : 2x 1500W
- 4Ohm : 2x 1400W
- 70v : 2x 1500W
- 100V : 2x 1500W
Frequency Response : 20-20kHz (+/-0.3dB)
Peak Output Current : 40A
Dynamic Range : 111dB (A-weighted)
Noise Level : -72dBu (A-weighted)
Distortion (1khz@1W/8Ohm) : 0.004%
Distortion (1khz@50W/8Ohm) : 0.003%
Crosstalk (1khz@1W/8Ohm) : -90dB
Gain : 26dB/32dB
Maximum Input Level : +24dBu
Input Type : XLR Balanced Inputs and Euroblock Links (+ optional Expansion Module)
Input Sensitivity : +7dBu/+4dBu
Input Impedance : 10kOhm
Output Resistance : 6.5mOhm/13mOhm
Front Controls
- Volume Adjust, 80Hz HPF Enable, 100Hz LPF Enable,
- Bridged-Mono Enable, Limiter Enable, Auto-Standby Enable)
Indicators (LEDs)
- Blue/Orange
- Orange
- Green
- Orange/Red
Cooling : Fan cooled, temperature dependent
Features : Wake On Music, Auto-Mute (1ms wake-up), Limiting on High Temperature
Amplifier Protection Systems : Thermal protection, Over-Current Protection, DC Protection, HF Protection
Mains Input Voltage Range : 85VAC – 265VAC
Standby Power Consumption : 4.8W
Muted Power Consumption : 16W
Idle Power Consumption : 28 W
Standard Power Consumption(Pink Noise@ 1/8th Rated Power, 8ohm) : 160W
Mains Connector : powerCON
Output Connector : SpeakON per channel
Dimensions(H X W X D) : 88 x 482 x 416 mm (3.5 x 19 x 16.4″)
Weight : 10.2kg (22.5 lbs)
Accessories : Mains Cable, Feet, User Manual, Euroblock Plugs
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