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Markbass amp low volume


tatthecant
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Hello I have a Little Mark Tube 800, the volume is really low have checked all the obvious leads etc, taken it to my repair guy who is usually quite good, but he says he can't find what's wrong with it, has anyone had similar issues?, was it something simple ,an easy fix? or is the amp F****d, Cheers

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I had exactly the same problem with an SA450. I ended up selling it cheap as a " half output" job.

The alternative is to send it to Real Electronics in Sheffield who are the Mark Bass official repairers. The problem is that it would cost more to repair than it is worth. MB won't release the circuit diagrams and Real just swap circuit boards.

 

Edited by BassBunny
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I’ve just had my Combo Amp II (the combo equivalent of the LMIII) back from Real Electronics for similar issues. 
 

They tested it fully and couldn’t find anything wrong - the only thing they could suggest was a dodgy pot so they replaced all of the control pots - might be worth getting that done?

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