DATASAT RA7300多声道功率放大器
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。
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
原文链接：http://www.mmch.cc/datasat-ra7300%e5%a4%9a%e5%a3%b0%e9%81%93%e5%8a%9f%e7%8e%87%e6%94%be%e5%a4%a7%e5%99%a8.html
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。
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
原文链接：http://www.mmch.cc/datasat-ra7300%e5%a4%9a%e5%a3%b0%e9%81%93%e5%8a%9f%e7%8e%87%e6%94%be%e5%a4%a7%e5%99%a8.html
