I have a marshall dsl 401 combo, it has 4 el84 power tubes and 4 ECC83 power tubes. I was wondering if anyone has any recomendations.

I like the sound of the amp but its very dirty and a little more headroom wouldn't be bad, also, not horribly expensive, thanks
Right now I'm using Groove Tubes but it's my first set of tubes. It cost me about $100 to get a full set. (2 power tubes and 3 preamp tubes). I like them but I'm gonna try JJ tubes from eurotubes next. They are cheaper and you can get a full set for your amp.
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I heard that those KT-88's are fairly good for getting a nice round sound.
JJ's are great, inexpensive, and they sound nice. Plus Bob from Eurotubes is great.
I'm not very active here on UG currently.
I'm a retired Supermod off to the greener pastures of the real world.