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Weird screw in amp chassis

  • 11-09-2009 3:25pm
    #1
    Grolschevik
    Registered Users, Registered Users 2 Posts: 3,472 ✭✭✭


    Hi lads, what do you make of this?

    I recently got hold of a second-hand Mesa Nomad 55 combo. There's a screw
    protruding from the underside of the chassis behind and between the two power valves. Pics attached, I think...

    The screw is not loose, but nor can it be tightened any more. Peering through
    the rear grill, it seems that the screw carries on up to the top of the chassis, bypassing the components there.

    My first thought is that someone replaced a chassis screw with a wrong-sized
    one.

    Any thoughts or issues?


Comments

  • #2
    Seziertisch
    Registered Users, Registered Users 2 Posts: 1,180 ✭✭✭Seziertisch


    Open up the chassis and have a peek. It won't bite ;-)


  • #3
    Dord
    Closed Accounts Posts: 10,817 ✭✭✭✭Dord


    That would be the errr... flux capacitor adjustment screw. :pac:


  • #4
    Voodu Child
    Closed Accounts Posts: 6,706 ✭✭✭Voodu Child


    Many Boogie combos have that. It is something to do with minimising vibration transferred through to the chassis. Called a 'tension' screw or some such.

    Shoot them an e-mail and im sure they'll give you a detailed explanation. Its nothing to worry about anyhow.


  • #5
    i57dwun4yb1pt8
    Closed Accounts Posts: 2,655 ✭✭✭i57dwun4yb1pt8


    same with my f50

    its like the simpsons escaltor to no where

    the screw that does nothing :D

    i just ignore it and play .


  • #6
    Grolschevik
    Registered Users, Registered Users 2 Posts: 3,472 ✭✭✭Grolschevik


    Fair play, lads. I was only worried that (a) it'd end up touching something live, or (b) it'd eventually rattle at high volume. Good to know that it's usual, if a little unusual...


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