does this sound like a bad preamp tube

[brianjdc]

on all my channels but very noticably on the gains i'm getting what sounds like a white noise oscallating. everytime ive lost a tube in the past its shut down what ever amp i was playing. lol (go big or go home right.) so im not a 100% sure what a tube sounds like when it goes bad.

thanks guys

 

[jglover51]

Maybe. Try pulling all your tubes, clean the sockets and reseat the tubes. If that doesn't work, replace the tubes. You may be surprised on how much cleaning/reseating works. Good luck!