Break in period for tube amp. How long?

Can you please share your experience on break in time and initial sound of new tube amps. Mine are sounding awful out of the box (NAGRA VPA).

jjwa10-09-2005 2:55pm

jay_douglas_2879b79 Details Discussions Posts This discussion Message User 239 posts 10-10-2005 at 07:13pm Copy Comment URL Report Comment Edit Delete if it sounds awful, it isn't a break-in situation.