Welcome to the forum.You will receive plenty of assistance with your Classic 30.
Let me suggest that you delete this post and re-post in the Guitar Amp section under Maintenance,Troubleshooting and Repair.Also,it always helps to post a schematic with your questions.
Check out this page: Tube Amplifier Debugging Page
In fact, check out the whole site.Lots of good information from one of the best.
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