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  1. H

    4203 noisy hum

    Thanks for your help and for the infos That's really helpful. :wave:
  2. H

    4203 noisy hum

    Problem Solved :slash: Thanks for your help. The amp is now quiet. I've replaced all the filter capacitors but the hum (or a part of it) was still there. I've finally discovered that the problem was linked to the phase invertor. There was a bad contact between the tube and the socket. And this...
  3. H

    4203 noisy hum

    Thanks for your answers. I've already try with other tubes without any resuts. I was also thinking about the filter cap. From a visual point of view it looks ok but...:hmm: It's a original blue LCR and the amp was unused for years. I've noticed today that the hum is stronger when the amp is...
  4. H

    4203 noisy hum

    Hello folks,:wave: Last week I've found a used Artist 30 combo (4203) in a garage sale. It was a real bargain. I didn't had the opportunity to test it but the price was a no-brainer so I took my chance and bring it back home. I own other Marshalls from the eighties and I knew it was a hybrid...
  5. H

    Problem with my Silver Jubilee 2554

    Ok, It's fixed. :wave: I took Mickey's advices and use contact cleaner on the tubes sockets and on the pots. Now my amp is working fine again. Looks like it's now a little more trebbly than it use to be. Thanks for the help.
  6. H

    Problem with my Silver Jubilee 2554

    Unfortunately the problem is back. Exactly the same issue. I did not have any problem for ten days and tonight, while I was playing, volume goes down and no more lead channel. I can't believe my new V2 is blown away. This must be something else.:mad: The last time when I was testing my premap...
  7. H

    Problem with my Silver Jubilee 2554

    I know I was suprised by the result as well. Maybe v2 had a very low output level that didn't reach a specific threshold for the diodes bridge (of the lead channel):scratch:. The lead master pot is now working as usual; when I had the proble it was not working at all. I'll keep an eye on it anyway.
  8. H

    Hi everybody

    Greetings from the Netherlands. New guy on the forum. I've owned several Marshalls and I've always loved them. I've found the holy grail with a 2554 silver jubilee combo.:applause:
  9. H

    Problem with my Silver Jubilee 2554

    Hey thanks for the help. Looks like it was V2 who was faulty.:slash: I hope that this problem is gone for good.
  10. H

    Problem with my Silver Jubilee 2554

    Hi everyone, This is my first post on this forum; but I'm a reader since ages. I've got an issue with my beloved 2554 combo. I 've got this amp since a year. I've changed all the tubes and biased the power tubes when I bought it. The amp was working fine, never had any problem until now. Here...

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