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Old Hartke XL Cabs Question

Discussion in 'Amps and Cabs [BG]' started by PaulErik, Jan 2, 2013.

  1. PaulErik


    Apr 3, 2000
    New Jersey
    I have 2 Hartke 410 XL cabinets that I bought new back in the late 80's (with the "Transient Attack" badges). They have been sitting unplayed since at least the mid 90's. They were in a bedroom, so they were not exposed to any temperature or moisture extremes.

    I figure it's about time to sell them, so I plugged them in to see how they sound. One of them sounds fine, but the other has an issue. The sound is clear on attack, but if you sustain a note, a subtle hiss or distortion can be heard. The noise is not constant, it comes and goes, and sometimes crackles a bit.

    I'm not very well versed on the technical side of amps, speakers, and such, so any suggestions of what's happening (or might be happening) to cause this would be appreciated. The cabinet has never been opened or speakers removed.

  2. Growly Lytes

    Growly Lytes

    Dec 4, 2009
    Downunder Oz
    Bass player
    Corrosion on the connections maybe ?
    Over the years it might have developed some crap around the speakers connection internally.
    Just quessing, it happend to me a while ago.I had cabs under the house for years then when i tried them they fuzzed out.What happend was that mold had biult up around connections & speakers.
  3. slagbass

    slagbass Supporting Member

    Apr 5, 2005
    I can't help on the explanation, but I also own 2 Hartke 410XLs of similar vintage and one of them developed a problem like you describe. The cabinet had been sitting unused for a year or two when this happened.

    I just kept playing it and the problem went away. Maybe 20 hours or so of total playing time to get it to stop? That was over 10 years ago and the problem hasn't returned.

    Great cabs, by the way. A bit heavy to schlep and you can't push them too hard, but tone for days.
  4. will33


    May 22, 2006
    I'd second this for starters. That much time, corroded connections, etc. They may not be visibly rusty or anything, but still, a good cleaning of wire connections, etc.
  5. PaulErik


    Apr 3, 2000
    New Jersey
    Ok, I'll get in there with some contact cleaner and see if that does it.

    Thanks for the replies!
  6. alembicguy

    alembicguy I operate the worlds largest heavey equipment Supporting Member

    Jan 28, 2007
    Corrosion in the gap that the voice coil seats in on the magnet. Like what's been stated that it may go away with use.
  7. Roscoe East

    Roscoe East

    Aug 22, 2011
    ...or dust/debris in that gap.
  8. PaulErik


    Apr 3, 2000
    New Jersey
    Ok, now my lack of technical knowledge is kicking in.

    "Corrosion in the gap that the voice coil seats in on the magnet."
    "...or dust/debris in that gap."

    Can I address/fix this, and if so, how exactly?
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