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My laney aor series amp has completely stoped working, the valves are still glowing but no sound is coming out

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  • Anonymous Apr 08, 2009

    hi...same prob i have tt50 combo 1x12.
    no sound...all tubes light up...and i had a repairman look at it.
    he couldnt find anything wrong ...except...lol...no sound...the fuses are good ...and were even replaced...cant find prob..any known issues? or something else to check?

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Hi.

Have you checked the HT fuse. the amp has 2 power supplies, one for the tube heaters, and another for the actual operation of the amp. Check that fuse, and replace with exactly the same type if blown. If it keeps blowing fuses, then you may well need to change your output tubes. They don't last forever, and you will get about 6 months out of them in normal gigging/rehearsal use, longer if you don't use the rig at high levels. Be sure also to use a proper speaker lead, not just an instrument patch lead, poor connectivity from anything that is not heavy duty can cause your amp to blow fuses, AND pop valves. I am happy to talk more to you about it, I have had a long love affair with valve amplifiers, both building and repairing them.

regards
robotek

Posted on Nov 09, 2008

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