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.