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Markbass/amp repair


Bobzilla
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Anyone used GuitarAid London or Music Room London before? I have a markbass amp, which has decided that the output is going to be intermittently on (mainly off) and I have no idea why. It is probably a dry solder joint somewhere, but I am not sure where.

Any other suggestions in London/Surrey/Hampshire?

Thanks

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I had the same problem with a LM3 . It turned out to be a fractured solder joint on the back of the quarter inch speaker output jack socket. If your confident enough in basic repairs it might be worth having a look for this simple fault before spending real money.

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Well, I think that it is fixed. The centre contact on the speakon socket was slightly bent so that it wasn't contacting the plug contact. A little bit of help from my screwdriver and its all fixed, making sure of course that I don't cause shorting problems with using it with a jack plug. Thanks to those that suggested that it was mechanical not electronic.

Edited by Bobzilla
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