The schematic shows the power supply capacity of 70W stereo amplifier Power converter is built on a chip KA2S0880, which includes all the necessary components to build the primary of the power supply. This chip is very stable in operation and has all the necessary protections.
Features :
Input voltage : 220 – 240 VAC
Output voltage (no load) : ± 16,5 V
Full load : ±15 V …. ± 15.5 V
Long-term maximum power output, it is bounded by a chip : 70W
Operating Frequency : 20kHz
Power Efficiency : 90 … 93 %
Installation guide : radiokot.ru
