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Thread: Startup thud solution

  1. #31
    Maximum Bitrate albysure's Avatar
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    you should use the black wire from your ps just to keep the wiring neat.

  2. #32
    Low Bitrate rmjjensen's Avatar
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    1000uF is probably a good start ...that would delay maybe about .5-1 second (it depends how sensitive the turn on threshold of the amp). Give it a shot see what happens. Best results would probably be with a 2200uF (common size). Don't forget a resistor in parallel with the capacitor to drain it...or else ur amps will stay on

  3. #33
    Constant Bitrate sanbas's Avatar
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    so i plugged the navone n66-a using the molex 12v & ground from opus, AND the start up sound is gone, BUT now it makes a sound when shutting off. Its not as annoying b/c i am usually out of the car by the time the "Pop" comes but i would like to eliminate it if possible.

    i have turned the screw in the n66-a to the extreme clockwise and counter CW positions and still it makes that sound.

    anyways Thanks for the help on the start up sound!!!

  4. #34
    Maximum Bitrate albysure's Avatar
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    well you didnt ask about the turn-off thump lol

    try this. it cuts the signal of the computer turning off to the amps

    http://www.davidnavone.com/detail.asp?PRODUCT_ID=N-807

  5. #35
    Constant Bitrate sanbas's Avatar
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    man i might just end up living with it, i'd hate to spend another $25 for a problem that didnt exist before. Any other solution available?

  6. #36
    Low Bitrate rmjjensen's Avatar
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    how about a pull down resistor on the RCA inputs? get the input resistance to your amplifier and connect a resistor double in value between the pos and shield of each RCA going into the amp.

    Reason why ur getting turn off pop is because you're delaying the on cycle by using a capacitor, so that built in relay has bad bleed off of the capacitor and causes the off cycle to be delayed as well.

    I wish I had the problem - I'd try and play with it.

  7. #37
    Maximum Bitrate XxAndyxX's Avatar
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    I didn't read through all the comments, but I thought it was pretty well known how to get rid of that thud? Right when I got the Car computer, I just bought a time relay from DEI that just breaks a circuit from 0 - 90 seconds, pretty simple...

  8. #38
    Constant Bitrate sanbas's Avatar
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    how about a pull down resistor on the RCA inputs? get the input resistance to your amplifier and connect a resistor double in value between the pos and shield of each RCA going into the amp
    aaaa...your obviously have a higher understanding of electrical knowledge than me. You will have to simplify that for me to understand, thats the main reason i didint do the cap. and resistor idea you suggested earlier, but i am willing to try if i understand how and sound inexpensive too, specially b/c the n66-a solved one problem and created another MAYBE 2 problems.

    Since hooking the n66-a to the opus, my reciever is connecting to 4 less satellites and sometime none at all, which have never happened until I didt that, i will find out for sure after i unhook and see my satellite connections.

    time relay from DEI
    i couldnt find where/what DEI was on google other than the car security company, and i dont think that who you meant...i would be interested looking into that also.

  9. #39
    Maximum Bitrate XxAndyxX's Avatar
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    ^I'm pretty sure it's made by DEI. It's made for alarms (which DEI makes) that need to disable the alarm for a little bit to do things like pop the trunk or start the car.

    Anyways, here's a link to the pulse timer relay I'm talking about: http://www.drdetailshop.com/528T.htm

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