I recently purchased a Fender Blues Jr. and I was wondering how I should set the amp, in terms of tone knobs and such, to bring out the tubes
Are you asking how to EQ your amp?

Do you not have an ear for tone or something?
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I'm sorry, I didn't make myself clear.
I didn't mean to say the tonal knobs.
I mean the Master/Volume/FAT
Crank the volume and and turn the master down to however loud you want it. Not sure on the fat switch, just play with it and see what sounds good.
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