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loud buzzing from tweeters

Discussion in 'Audio & Video' started by west32, Jan 16, 2011.

  1. Jan 16, 2011 at 9:43 PM
    #1
    west32

    west32 [OP] Member

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    Just recently added a sub to my system and I am getting a fairly loud buzzing noise from my tweeters that can only be heard when the music is off or not very loud. Everything sounds great when the volume is turned up. The strange thing is that if I disconnect the subs rca from the amp the sound will go away. Why would the subs rca effect the tweeters ? By the way I am using Schoshe brand rca from walmart. Any help is greatly appreciated.
     
  2. Jan 17, 2011 at 12:09 AM
    #2
    shaneckc

    shaneckc Fyntünd Designs Vendor

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    what other things have you added to your system? head unit? are your speakers powered from your head unit or another amp?
     
  3. Jan 17, 2011 at 2:44 AM
    #3
    MT Madman

    MT Madman Senior Citizen

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    Might be some cheap cables or reroute them away from any other electronics, the cable may be picking up noise from something like may be the computer.
     
  4. Jan 17, 2011 at 3:32 AM
    #4
    ChompsterTacoma

    ChompsterTacoma Well-Known Member

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    Find a better ground source for your amp if you have one.
     
  5. Jan 17, 2011 at 5:32 AM
    #5
    sam_i02

    sam_i02 Well-Known Member

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    ^^^ X2

    #1) Make sure your amp has a nice solid ground, and ...

    #2) ..... Is your Amp power cable routed with the RCA? I think the RCA is picking up noise from the amp or another power line. Try re-reouting the RCA differently.
     
  6. Jan 17, 2011 at 10:48 AM
    #6
    west32

    west32 [OP] Member

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    I have a pioneer avic 920bt, a rockford 4 channel amp that is powering the front components, and is bridged to power a jl 8w3. All my power runs on the left side of the truck while my rca runs on the right side. I have not had this problem untill the sub was installed. Would my ground become not adequate after the sub was installed? Also can rca pick up interference from other rca or speaker wire? Thanks.
     
  7. Jan 17, 2011 at 4:48 PM
    #7
    sam_i02

    sam_i02 Well-Known Member

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    Nope, the RCA will not pick up interference from other RCA or speaker wire - there is not enough Amps in speaker wiring to create a significant magnetic field.

    Can you take a pic of how your Amp is grounded? That may help us, help you debug your system :)

     
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