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92 Views 2 Replies Latest reply: Dec 4, 2012 4:32 PM by spaceatl RSS
Uncle_Bungle Just Startin'
Uncle_Bungle
5 posts since
Aug 14, 2007
Currently Being Moderated

Dec 3, 2012 11:11 AM

Should my amp be resonating?

I've only had the DT25 combo for about a month and use it alongside a HD500. All amp models are selected as the 'pre' versions and I use the L6 Link to connect.   

 

I usually use only 2 patches - one a Fender and one a Vox AC30TB. With the Vox patch the amp will resonate with certain notes which the Fender won't - The patch is in itself a lot louder than the Fender one but regardless or turning down drive, bass, amp or mixer volume this sound will remain. It's reminiscent of if a spring was resonating sympathetically with the note.

 

Now the big thing here is I've never owned a tube amp before so I'm not sure if this behaviour is typical for a Vox setting etc or not as I say the Fender setting doesn't exhibit this behaviour.

 

Anyone able to help?     

  • stumblinman Just Startin'
    stumblinman
    58 posts since
    Sep 22, 2008
    Currently Being Moderated
    Dec 4, 2012 4:12 PM (in response to Uncle_Bungle)
    Re: Should my amp be resonating?

    Maybe try a different topology on the Vox model and see if it happens then too.  The different topologies have very different frequency responses, so that is what I would lean towards being the issue.

  • spaceatl Expert Line 6 User
    spaceatl
    4,456 posts since
    Jan 24, 2007
    Currently Being Moderated
    Dec 4, 2012 4:32 PM (in response to Uncle_Bungle)
    Re: Should my amp be resonating?

    Try the pencil test...With things on the patch where it is making the sound, turn the guitar all the way down and gently tap each tube with a pencil. If you hear the tapping through the speaker, you might have found your culprit...Sometimes some of the plate welds fail or wear in tubes where the plate will physically resonate...good luck.

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