Do you want to make a simple amplifier, but has ability to deliver very high audio power output? If true, then the circuit is the answer for you. This circuit built using an IC for each channel, so you need two power ICs of STK4231II to make a stereo amplifier circuit.
Each IC will deliver audio power output about 100W, so we can call this circuit as a 2x90W stereo power amplifier. This circuit must be supplied by using a dual polarity power supply and you have to install the heatsink on each IC to avoid overheating.
Download STK4231II datasheet:
Download Link
Download STK4231II datasheet:
Download Link
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