new tube break in

hi guys,
what is the usual break in period for new tubes for a amp?i have quicksilver v 4`s and i am looking for new kt 88`s
thanks
al

alpass12-21-2005 1:52pm

fatparrot Details Discussions Posts This discussion Message User 1,314 posts 12-21-2005 at 10:00pm Copy Comment URL Report Comment Edit Delete My opinion regarding Tube burn in: 24 hours- Noticeable difference 72 hours- You're 90% there 100-200 hours- You're home This is with the amp playing, not just idling with power on.