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Cooling fan and tube life

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  • #46
    Yes, exactly. Better still, drill a hole in the tube and fill the insides with automotive coolant.
    Education is what you're left with after you have forgotten what you have learned.

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    • #47
      Originally posted by Enzo View Post
      Yes, exactly. Better still, drill a hole in the tube and fill the insides with automotive coolant.
      Thanks Enzo. After some additional reading, I found that high speed steel drill bits work on glass.
      And I happen to have an extra water pump left over from my dad's '65 Ford Fairlane 500.
      This is going to be the coolest amp in world history.
      The only good solid state amp is a dead solid state amp. Unless it sounds really good, then its OK.

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      • #48
        Ever wondered why there needs to be vacuum (= nothing) between the electrodes?
        - Own Opinions Only -

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        • #49
          Originally posted by Helmholtz View Post
          Ever wondered why there needs to be vacuum (= nothing) between the electrodes?
          Nothing except for a gazillion electrons but they are just passing through.

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          • #50
            Originally posted by Dave H View Post
            Nothing except for a gazillion electrons but they are just passing through.
            Sure, but anything else would cause collisions.


            Also cooling the cathode wouldn't be a good idea.
            Last edited by Helmholtz; 03-05-2019, 09:48 PM.
            - Own Opinions Only -

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