orange tiny terror tube problems

[tom_delon9e]

hey recently i have been having some problems with my tt. its was working fine until one day my bro turned the gain up pretty high. the next day the sound seemed kinda fuzzy and cracky when i put on my usual pedals. without the pedals there is sort of a volume drop sometimes. anyone know the problem? does it just need a tube replacement or is it some speaker problem?

 

[relinquish69]

sounds like a tube problem but I dont think high gain can screw up an amp.