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

musicslug Details Discussions Posts This discussion Message User 430 posts 10-09-2005 at 04:43pm Copy Comment URL Report Comment Edit Delete power tubes should be allowed about 100 hours - but "awful"? it shouldn't be THAT bad.