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
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20 watt amplifier with LM1875 - image 1
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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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