Delberthot Posted November 9, 2009 Share Posted November 9, 2009 I say possible as during a gig you would normally expect some degradation in your hearing. I wear ER20s or something like that from start to finish so didn;t think that it would be the cause. My Trace Elliot V-type 1x15" combo seems to suddenly get a bit quieter during a gig. I only have to put it up a notch to get the volume back to what it was but am unsure why it does that - at first I suspected the preamp valves but I've had a good read and that doesn;t seem to be a symptom of knackered preamp tubes. Everything else is the same - same bass, volumes from other band members, number of people on the dancefloor as I know that can have an effect on the overall volume. Any guesses or is it just in my head and simply me wanting to change the preamp tubes for the sake of it? Answers on a postcard please. Quote Link to comment Share on other sites More sharing options...
umph Posted November 9, 2009 Share Posted November 9, 2009 do the transformers get hot? Quote Link to comment Share on other sites More sharing options...
Moos3h Posted November 9, 2009 Share Posted November 9, 2009 I'd be looking at the power amp tubes first off. When was the last change and rebias (if necessary on that model)? Quote Link to comment Share on other sites More sharing options...
Delberthot Posted November 9, 2009 Author Share Posted November 9, 2009 it has a transistor amp so no power tubes. I've not noticed it feeling hot at any point Quote Link to comment Share on other sites More sharing options...
Moos3h Posted November 9, 2009 Share Posted November 9, 2009 I know they are totally different designs, but the three Ashdowns that I have had that exhibit this problem have all had 'dry solder joints'. Where and why, I don't know. But that was the diagnosed cause! Quote Link to comment Share on other sites More sharing options...
LawrenceH Posted November 9, 2009 Share Posted November 9, 2009 How sudden and how obvious is the drop? You'd expect some power compression as the speaker heats up, my little Ashdown 1x12 always does that if it's working hard for long periods. Quote Link to comment Share on other sites More sharing options...
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