big rob Posted March 23, 2013 Share Posted March 23, 2013 HI. I have a trace ah-300 12 and it never really has had much distortion from the valve when i crank it up. I have had it from new but never really used it but fancy a bit of overdrive now and it does not seem to want to give me any. Uf the valve is blown how do i tell, opened it up last night and in not sure what a blown valve looks like or even if you can tell. on the other hand could it just be the way the amp is, adding a bit of warmth?, however not sure its doing that even. any advice would be welcome. cheers Big Rob Quote Link to comment Share on other sites More sharing options...
umph Posted March 23, 2013 Share Posted March 23, 2013 broken valve will give almost no output, best bet is to try swapping it with another, if that doesn't do the trick you can mod it for more gain Quote Link to comment Share on other sites More sharing options...
thodrik Posted March 23, 2013 Share Posted March 23, 2013 If its the same style as my SMX head, the valve doesn't really do overdrive, it just adds a bit of warmth and body to the tone. If you want anything beyond that then I would maybe suggest getting a pedal. Quote Link to comment Share on other sites More sharing options...
big rob Posted March 23, 2013 Author Share Posted March 23, 2013 Cheers for the advice, thanks thodrik thought it might just be what they are like. Thanks for confirming it Quote Link to comment Share on other sites More sharing options...
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