FILAMENT POWER SUPPLY COMMON MODE NOISE
RF noise filtering
Practical Test & Measurement - Stop Worrying About Coupling Capacitors! | audioXpress
Troubleshooting
ABC's of Safety (Interference Suppression) Capacitors for Tube Radios
Capacitor Selection for Coupling and Decoupling Applications
The AA8V/W8EXI 6CL6 One-Tube Transmitter - Schematic Diagrams and Circuit Descriptions
Using Capacitors to Filter Electrical Noise | Arrow.com
What Does This Thing Do? -- Filter Capacitors
Using Capacitors to Filter Electrical Noise | Arrow.com
Common Tube Amp Malfunctions: My amp doesn't turn on. — Tropical Fish
Build an Amp
Amp hum/buzz - bad caps? PICS added | The Gear Page
That Elusive Valve Amp Sound, For Not A Lot! (There Has To Be A Catch) | Hackaday
Capacitors in Guitar Amps
Troubleshooting
Using Capacitors to Filter Electrical Noise | Arrow.com
The Valve Wizard
Filter Cap Discharge Procedure
What capacitors can I change in my guitar amp with vintage paper in oil capacitors to make it sound better? - Quora
RF Blocker — connected-fidelity
Safety
Capacitor - Wikipedia
Easy solutions to Radio Frequency Interference
