Red Plating Vacuum Tubes to Destruction! - YouTube
Futara F.A.Q.
What is "Red Plating" and how do I know if my tubes are doing it??
Red Plating in Guitar Amplifier Valves - What is it? | ampvalves.co.uk
Is this red plating? How to stop it? | The Gear Page
Red Plating Power Tubes Fix - 1966 Fender Blackface Bassman - YouTube
Red plating? I noticed after I played awhile and was aggressive the volume would die out. Did some research and changed the tube...no problems now. Is this something normal or does it