噪音极低 强劲功率输出DATASAT RA7300多声道功率放大器震撼上市


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DATASAT RA7300是一部专为奢华级家庭影院设计的多声道功率放大器, RA7300采用全平衡的设计,每声道都拥有分离式的独立供电电路,以实现极低的噪音和失真水平。在阻抗为8Ω时DATASAT RA7300可实现300W RMS的强劲输出,即使在满载时也能保持有>125dB的信噪比。DATASAT RA7300拥有先进的双路温感探头设计,机身内的散热风扇只在必要的时候才会启动,是业界最安静的多声道功率放大器,更是业界输出能力最强、最多才多艺的顶级多声道功率放大器。


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主要技术参数:


  Datasat RA7300 Stereo Power Amplifier


  Power Output


  300 watts RMS x 7 channels @ 8ohms


  450 watts RMS x 7 channels @ 4ohms


  Frequency Response: 20Hz-20kHZ, +0, -0.25dB


  THD, 20Hz-20kHz: <0.05%


  THD, 1kHz, rated power: <0.005%


  IMD: <0.05%


  Dual AC corDS


  Channels


  User selectable for any of 8 channels from DB25 input connector via rear panel GOLd-plated sealed DIP switChes.


  Power Bandwidth, 10Hz-80kHz: minus 0.6dB @ 80Hz


  Voltage Gain: 27.1dB


  Slew Rate: >40/us


  Crosstalk @ 1kHz: >80dB


  Input impedance: 50kΩ (Balanced, 25kΩ each leg)


  Input Sensitivity: 2.16V


  Circuit toPOLOgy


  Fully balanced design utilizing thermal track, current feedback and DC Servo.


  Connectivity


  Input: RCA unbalanced, XLR balanced, DB25 balanced


  Output: 5-way binding posts, DB25 pass through


  Remote Trigger Voltage: 3-24V