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The problem was definitely V1. The fact that the tone of the windy noise was modifiable with the controls is consistent with this diagnosis too, because the tone control stage is right after V1 in the circuit diagram. Thanks all for the help! Finally rocking, JD

Cool - thank you for all of the replies. I'll try V1 next and see what happens. The amp was an ebay acquisition, which was supposedly in excellent condition. Supposedly the tubes were all replaced in November with JJs..... Thanks for the advice too about cleaning the pots If none of the...

No dice. The only thing that seems to help a little bit is changing V6, but the problem doesn't go away totally. Thanks, JD

Hey all, Wondering if anyone else has had this problem. I bought a DC-2 recently and the clean channel has a roaring wind sound that is modifiable with the gain and tone controls. The leads me to suspect that the problem is in the preamp section. There are not any apparently microphonic...