Hi @jk6538 !
I just replied to your email but saw you made an account.
Here is what I send to email.
Hi,
Yes sound likes something in the power section of the power station. I think it’s a good idea to swap the tubes.
Take a look here on the support forum for advice on how to do that How do I change the tubes and fuses in the Power Station
Any 6L6 matched pair will be fine. Pop them in, and go!
Log in to the support forum with this email address (pick and password) to claim your account, we can continue discussing there.
Regards
Dan