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Markbass F1

Discussion in 'Amps and Cabs [BG]' started by brandonb1525, Oct 25, 2013.


  1. brandonb1525

    brandonb1525

    Jun 15, 2012
    I own a Markbass F1 bass head and I think I am having problems with it. When I am playing on the gig, i tend to lose power as the night goes on. I find myself turning the amp louder and louder as the night goes on. When I first turn it on, I hear the fan spinning and then it makes a churning noise off and on for about 2 minutes. Please help and let me know what I should do. This is a fantastic bass head and I would love to have it fixed. Thanks!
     
  2. jnewmark

    jnewmark Just wanna play the groove. Supporting Member

    Aug 31, 2006
    Stax 1966
    Third St. Cigar Records staff musician.
    I haved owned this head, and , if you are running into 8 ohms, it does have a tendency to run out of head room pretty quickly when pushed. I don't know if the fan making noises would lead to overheating, but I would think the head would shut down before losing volume. When I owned it, I never noticed the fan at all, or the head getting hot. Is this what you are experiencing ?
     
  3. BurningSkies

    BurningSkies CRAZY BALDHEAD Supporting Member

    Feb 20, 2005
    Syracuse NY
    Endorsing artist: Dingwall Guitars
    Are you sure it's not ear fatigue setting in instead?

    I'd still check the fan, make sure its clean, etc.
     
  4. +1

    Could also be the speaker heating up too much.
     
  5. brandonb1525

    brandonb1525

    Jun 15, 2012
    I'm running it through a markbass New York 504 cabinet.
     
  6. jnewmark

    jnewmark Just wanna play the groove. Supporting Member

    Aug 31, 2006
    Stax 1966
    Third St. Cigar Records staff musician.
    Hmm. I see a 604 cab on their website, but no 504. If it's the 604, they list that cab at 8 ohms. If that's the case, I still say you are running out of headroom.
     
  7. brandonb1525

    brandonb1525

    Jun 15, 2012

    I have 604 sorry lol
     

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