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Amp issue.

  • 14-05-2012 5:44pm
    #1
    IanMc666
    Registered Users, Registered Users 2 Posts: 669 ✭✭✭


    Hey there.

    I've just picked the guitar back up after a good while and decided to plug in. I connected headphones to eliminate noise around the house. But when I unplugged them to see how it sounded briefly, absolutely zero sound came from the amp. Volume was set considerably high. This also happened the last time I tried to play without headphones but instead of confronting the problem, I just plugged them back in and played away.

    So in short, the issue is, the amp works with headphones plugged into the line out/headphones socket, but when they are unplugged, no sound at all is produced.

    Anyone have any ideas as to what could be causing this??

    Thanks in advance.


Comments

  • #2
    pinksoir
    Registered Users, Registered Users 2 Posts: 1,737 ✭✭✭pinksoir


    Check the speaker is connected properly. There should be one lead with two connections (live and ground) connected to the back of the speaker. Make sure they are fitted securely. Depending on the amp it might have a jack going into the back of the amplifier chassis. Make sure this is connected too. What amp is it? I presume it's a solid state amp?


  • #3
    IanMc666
    Registered Users, Registered Users 2 Posts: 669 ✭✭✭IanMc666


    pinksoir wrote: »
    Check the speaker is connected properly. There should be one lead with two connections (live and ground) connected to the back of the speaker. Make sure they are fitted securely. Depending on the amp it might have a jack going into the back of the amplifier chassis. Make sure this is connected too. What amp is it? I presume it's a solid state amp?

    Will do, hopefully it's just something simple. Thanks!!

    It's a Marshall MG 30DFX.

    Have had it a good few years, so hope it's nothing to serious.


  • #4
    shizz
    Registered Users, Registered Users 2 Posts: 1,506 ✭✭✭shizz


    I presume the sound was working directly before you put the headphones in? By any chance did you put the headphone jack in aggressively? It's possible the jack pushed the connection that snaps back to complete the connection, to allow sound to the speaker, out of position?


  • #5
    TroutMask
    Registered Users, Registered Users 2 Posts: 743 ✭✭✭TroutMask


    Unplug the amp and spray all of the ins & outs with contact cleaner including the headphone jack. Spray once - then actuate the jacks by inserting and unplugging a jack - then spray again. There's a good chance your problem will disappear: this is a known Marshall issue


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