anyone modified an FOP 38 for noise reduction?
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Thread: anyone modified an FOP 38 for noise reduction?

  1. #1
    Join Date
    Dec 1999
    Location
    Australia, Vic, Melbourne
    Posts
    232

    anyone modified an FOP 38 for noise reduction?

    my FOP is too friggin loud. How could i minimise the noise, i mean by creating regulators or adding a resistor to the wires.

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  2. #2
    Join Date
    Jun 2000
    Location
    Australia
    Posts
    464
    You can switch the delta fan for a y.s.tech 27cfm fan (i.e. make it into an FOP32)

    or use the 12V and 5V lines and run it on 7 volts or something.

    [This message has been edited by Pradeep (edited 11-05-2000).]

  3. #3
    Join Date
    Dec 1999
    Location
    Heemstede, The Netherlands
    Posts
    146
    But then again, you might also run the delta on 17 or 24 v.

    My theorie is the freakin thing becomes ultrasonic and out of our hearing range.

    Could really hurt your dog though.

    Maybe 7 v isn't such a bad idea, if you can accept the decraease in cooling powa.

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  4. #4
    Join Date
    Oct 2000
    Location
    Minneapolis, MN, USA
    Posts
    2,689
    I have a list of possibilities:

    1. A good set of ear plugs.

    2. Closed-ear headphones.

    3. FOP32

    4. Cover your ears.

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  5. #5
    Join Date
    Jan 2000
    Location
    Stornoway, Isle of Lewis, Scotland
    Posts
    1,215
    I've got 6 80mm YS-Tech fans in my case which drone out the evil whine of the black label fan on my PAL6035 and make a deeper noise which aint so anoying The lower voltage idea is good, but it would probably perform worse than a YS-Tech 60mm, so the best thing is just to bear the noise, or wear some earplugs, as K6-III said.
    Duron 700@1100 2.1v Air Cooled - RIP

  6. #6
    Join Date
    Jul 2000
    Location
    UK
    Posts
    493
    Well I cheated, i just switched to liquid, and have 2 140mm 24v fans running @7v each, very slow running through rad, enough to keep Tbird 1gig at 30c full load, STEALTH cooling
    ( except for the huge rad sat outside of case )

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  7. #7
    Join Date
    Oct 2000
    Location
    Oregon
    Posts
    132
    I put two radioshack 4" fans, 85cfm top and bottom on the side of my case, now i can't here the global fop 38 at all.....what did you say i can't hear you

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  8. #8
    Join Date
    Sep 1999
    Posts
    1,249
    I took my 60mm fan off of my Alpha PAL6035 and made a duct to an 80mm 40cfm fan on the back of my case. It moves more air and only spins at 2000 rpm NOT 6800!! Big difference and much quieter. Although it took me a couple hours building the duct out of cardboard and that foil tape. On the Alpha it sucks, but you could make it blow or suck. My T-Bird is at 26c idle and 38c 100% load. Try it and you'll never go back.



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    [This message has been edited by todays (edited 11-13-2000).]

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