Return to VK3YE amateur radio projects

Utility discrete transistor audio amplifier Like many, I've been guilty of lazily using an LM386 audio amplifier IC too many times. And it is alluring. There's few outboard parts and construction can be made quite compact. However if you want the best audio quality then there's much to be said for a discrete transistor amplifier teamed up with a medium sized speaker in a nice box. Build one like this and your homebrew receivers will never sound so good. I've built several of these and they've worked every time. It's based on a design from KE3IJ's website.     Disclosure: I receive a small commission from items purchased through links on this site. Items were chosen for likely usefulness and a satisfaction rating of 4/5 or better.

Books by VK3YE Ham Radio Get Started (USA) Australian Ham Radio Handbook (Aust) Hand-carried QRP Antennas More Hand-carried QRP Antennas 99 things you can do with Amateur Radio Getting back into Amateur Radio Minimum QRP Illustrated International Ham Radio Dictionary Make your Passion Pay (ebook writing)   All material on this site (c) Peter Parker VK3YE 1997 - 2024. Material may not be reproduced without permission. Read privacy policy.