I am installing a new set of 811a tubes into my Ameritron 811H (4 tubes). When
I did years back I did do a tube burn in. Does the group still feel that is
good practice? If so I can not remember how long I let them just sit seemed
like 8 to 10 hours. Does that sound right or where can I look for the proper
length of time to burn the new tube in on the amp?
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