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222 Views 4 Replies Latest reply: Nov 26, 2012 11:00 AM by Hummelong RSS
rsto10 Just Startin'
rsto10
27 posts since
Apr 22, 2009
Currently Being Moderated

Nov 19, 2012 3:00 PM

DT25 - Loud, random pops and crackles???

I own both a DT50 (112) and DT25 (112).  Have never experienced anything like this with my DT50 (which gets most of the use), but lately my DT25 has been popping and crackling randomly.  This amp is my secondary amp and has not been used all that much since purchase in February.  Anyone else experience this with their amp and if so, is there an easy solution or is this a warranty issue?  Thanks!

  • Rowbi Expert Line 6 User
    Rowbi
    7,745 posts since
    Nov 25, 2006
    Currently Being Moderated
    Nov 19, 2012 3:07 PM (in response to rsto10)
    Re: DT25 - Loud, random pops and crackles???

    It could be tubes.  Try reseating them or having a tech fit new ones.  If that doesn't resolve then I suggest a warranty call.

     

    Rowbi

  • chrisolson68 Just Startin'
    chrisolson68
    6 posts since
    May 10, 2007
    Currently Being Moderated
    Nov 20, 2012 6:21 AM (in response to rsto10)
    Re: DT25 - Loud, random pops and crackles???

    Yep, I'd agree.  Either a tube or something your friendly service guy will need to look into.

  • gregorydileo Just Startin'
    gregorydileo
    14 posts since
    Oct 1, 2010
    Currently Being Moderated
    Nov 25, 2012 6:08 AM (in response to rsto10)
    Re: DT25 - Loud, random pops and crackles???

    I've got the same problem with my DT25.  It's definitely the tubes.  I've reseated them with no help.  I've seen this issue on other threads that recommended replacing the tubes (Mine are Electro Harmonix  EL84EHs, made in Russia) with another compatible kind that fixed the problem, but this amp is new (less than 90 days) and I don't want to pay to fix a defect in manufacturing.  Before I go there, can anyone share a better tube that will work with the DT25 combo?

  • Hummelong Just Startin'
    Hummelong
    24 posts since
    Feb 7, 2011
    Currently Being Moderated
    Nov 26, 2012 11:00 AM (in response to rsto10)
    Re: DT25 - Loud, random pops and crackles???

    My DT25-112 recently started making weird noises.  Kind of like somebody crumpling a sheet of paper under a blanket...I took it all apart, reseated the tubes, cleaned jacks and connectors. tapped everything with a plastic chopstick.  Couldn't figure out what it was.

     

    I had replaced the power tubes earlier in the year when one of them started acting up.  This time I tried replacing the phase inverter tube (the only 12AX7 in a DT25) and the problem went away!

     

    The original tube in my amp had no brand, it just said 12AX7 / China.  I replaced it with a Sovtek 12AX7 and it sounds just fine.  Because this isn't a preamp stage, it doesn't have to be a perfect tube, but sometimes tubes can get noisy.

     

    If you have a spare 12AX7 lying around it doesn't hurt to give it a try.

    HTH

    Mike

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