Guitar Amplifier Electronics: Basic Theory explains the design of guitar amplifier preamps, power amps, and power supplies using 2019 technology. Computer-based visualization replaces the traditional litany of mathematical formulas. The book's graphing calculators, free on the publisher's website, are designed for smartphones and laptops, making them as portable as the book that puts them through their paces. An entire chapter is devoted to sculpting the dynamics of overdrive and harmonic distortion. Chapters 1. Electronics Fundamentals 2. Vacuum Tubes 3. Preamps 4. Cathode Followers 5. Tone Stacks 6. Power Amps 7. Phase Inverters 8. Negative Feedback 9. Power Supplies 10. Overdrive and Harmonic Distortion 11. Some Final Words on Guitar Amplifier Design