Engel Sound Experiment - Several single ended tube amplifiers
Using Capacitors to Filter Electrical Noise | Arrow.com
Case studies: Eliminating RF interference
Common Tube Amp Malfunctions: My amp doesn't turn on. — Tropical Fish
Getting to Know the Bypass Capacitor, January 1962 Popular Electronics - RF Cafe
Troubleshooting
What Do Filter Caps Do? — Tropical Fish
Using Capacitors to Filter Electrical Noise | Arrow.com
The AA8V/W8EXI 6CL6 One-Tube Transmitter - Schematic Diagrams and Circuit Descriptions
The sound of bad filter caps - hum and ghost notes. - YouTube
Using Capacitors to Filter Electrical Noise | Arrow.com
AUDIO MODIFICATIONS
Which Capacitor Types Should You Use? | Blogs | Altium
The Worst Filter Capacitors I Have Ever Seen.....and Heard :) - YouTube
Easy solutions to Radio Frequency Interference
Capacitor Selection for Coupling and Decoupling Applications
A Simple Linear Power Supply, Done Well | Hackaday
Draining Filter Caps - YouTube
Using Capacitors to Filter Electrical Noise | Arrow.com
Troubleshooting
Filter Capacitor : Circuit, Working, Formula and Its Applications
Eliminating Troublesome Hum & Buzz Created By Electric Guitars - ProSoundWeb
The Great Standby Switch Myth | Sweetwater
transistors - Ultra low noise power supply for pre-amp - Electrical Engineering Stack Exchange
