Clone the classic British QUAD 606 power amplifier.
QUAD606 is a new amplifier from QUAD Guodu in the UK.
It is an upgraded version of QUAD405.
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+angle aluminum size 90MM X 100MM.
1 plate with angled aluminum mono weighs 160 grams.
Magnification (Gain) = 51.5 times
Output stage quiescent current = 0 mA
Mono static current ~ about 100MA
The recommended radiator for each channel is greater than 500 grams (voltage +- 45V state)
Using the original operational amplifier TLC271 high-performance OP.
The output transistors are 6 original Huawei Semiconductor 2SD718 power transistors (140V, 10A, 100W) 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%