20 watt amplifier with LM1875


Posted on Jun 7, 2012

This is a nice amplifier and very easy to make it. Its an 20W Audio Amplifier based on LM1875 IC.


20 watt amplifier with LM1875
Click here to download the full size of the above Circuit.
20 watt amplifier with LM1875 - image 1
Click here to download the full size of the above Image.

Power supply - 48 VDC Output - 20 W, 4 ? Very low distortion (THD - 0.015%), good channel separation and ripple rejection IC built-in thermal, short circuit protections Internal output protection diodes Terminal pins for connecting input Power Battery Terminal (PBT) for easy power supply and speaker connection Power-On LED indicator Heatsink for IC Four mounting holes of 3.2 mm each with nut and stud PCB dimensions 48 mm x 60 mm




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