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Maz 18 - Hum - Humidity

Discussion in 'Amps/Cabs Tech Corner: Amplifier, Cab & Speakers' started by AlexT, Jun 27, 2003.

  1. AlexT

    AlexT Guest

    I posted basically the same question last year (with no feedback), at the beginning of the humid season. Same thing happened this year, my Max 18 hums for less than a minute (until it warms up), then goes back to normal.

    Did anyone experience the same issue on an 18? Should I be concerned?

    AlexT
     
  2. johngalt

    johngalt Guest

    I've got a Maz18. I have never experienced any such thing. I do keep my guitars and amps in a humidity controlled room when not playing out. Since the problem clears up shortly after powering up. It's a good assumption that moisture is evaporating - moisture that is compromising a connection somewhere. Since the tubes are the source of most of the heat, my bet it is a bad tube contact. Suggest you pull the tubes, clean the pins and treat with ProGold before reinserting.
     
  3. AlexT

    AlexT Guest

    Thanks, Jonh. Very good point, I didn't tink about it (I will try starting from the power tubes as soon as humidity is back high again).

    BTW, what is ProGold?

    Alex


    I wish I could control humidity, no chance in a condo in Boston in Summer :(
     
  4. johngalt

    johngalt Guest

    ProGold is a contact cleaner/enhancer that is certified for use in high temperature application - like tube pins. You can get the juice from Lord Valve among other places.
     
  5. Mike Roberts

    Mike Roberts Member

    Messages:
    472
    Joined:
    Jan 4, 2002
    Location:
    Baltimore, MD
    ProGold is made by Caig Labs... they have contact cleaners and treatments for special purposes... rotary switches, high temp applications, etc.

    Great stuff. Highly recommended.

    Here's a link to their site.
     

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