Imitation MODDIY QUAD707 Classic Mono/Dual Amplifier Board 2SD718*6
Parameters:
Power supply voltage range: DC positive and negative DC+- (25V~55V), recommended voltage: DC+-45V
Output power: 125W 8R, 250W 4R
Frequency response APSYS 2 test data: 20HZ-0DB, 10HZ-0.3DB, 10K HZ-0.1DB, 20KHZ -0.3DB
SR 25V/US oscilloscope measurement.
THD+N < 0.01%
PCB size: 50MM X 145MM.
The weight of two channels boards is 240 grams.
Magnification factor (gain)=51.5 times
Output stage static current=0 MA
Mono static current~approximately 100MA
Recommended heat sink for each channel is greater than 500 grams (under voltage+-45V)
Adopting the original operational amplifier TLC271 for high-performance OP.
The output transistor adopts the original Huawei Semiconductor 2SD718 power transistor (180V, 10A, 100W) with 6 per channel.
Oscilloscope test data：
APSYS 2 test data ：
frequency response： 20HZ -0DB， 10HZ -0.3DB, 10K HZ -0.1DB, 20KHZ -0.3DB
THD+N < 0.01%
Location map of power tube installation holes. If you need CAD drawings, you can download them from Baidu Cloud
Corresponding CAD documents for hole size
Link: https://pan.baidu.com/s/1Pgy1LZn7vLrsxdJBlmbEEA?pwd=dujj
Extract code: dujj
Package:
1/2pcs quad707 amplifier board
