Bob Richards' Audio Projects
WARNING: Tube circuits contain high voltages and are dangerous to work on. The author is not responsible for any personal injury or property damage caused by use of the information on these pages.
Who's Bob ?
The Vermillion, 2019 Hi-Fi Speaker System
Plan B Speaker System 2019
Bluesman 2018 - 20 Watt Guitar Amp Project
Bob's Bluetooth Lithium Battery Operated Class D Boom-Box Project
My "Tonemeister" Stereo Preamp
My Tube Type Hi-Fi amplifier, "The Music Box"
My LM3886 Four Channel Poweramp 2020
My LM3886 four channel poweramp Project 2016
Note: I update/correct/add to these pages from time to time. Check back.
Random Other Stuff :
This is my Engineering Assistant, Snowball.
Grow your own amp, organically.
The Proper Way to Grow Tweeters