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Thread: Cheapest Sound Damping Material

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  1. #1
    Join Date
    Apr 2005
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    Philadelphia
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    805

    Default Cheapest Sound Damping Material

    I've decided that this week I'll go ahead and install my subs, I want to "dynamat" the trunk to prevent as many rattles and such as possible. Anyone have connections or know of the best place to pick some up? I'm looking on ebay now...
    Rondell 58's|Eibach Springs|B&B Tri-Flow Exhaust|Shadowline|S/D Rotors|KYB Struts



  2. #2
    Join Date
    Apr 2006
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    50

    Default

    If you know any friends that work at Bestbuy, I'm told its cheap as hell there. From my own experience, car audio equipment is dirt cheap from Bestbuy (I got a ~50% discount on my whole system).

    BTW, my trunk rattles like hell, but I found the only thing I wanted dynamatted was the cardboard fabric piece between the rear seats and the rear windshield. Be sure to dynamat that thing like hell, as my one layer is sometimes not sufficient. And stick it on there good, in cold weather it tends to lose effectiveness, I'm thinking because of less adhesive properties in the cold. Good luck.

    BTW... what are you running?

  3. #3
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    Philadelphia
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    Thanks, I'll have to see who I can find that works there... I'm sure I have a few friends.

    I am running 2 Alpine SWR-1242D's (1500watt max - 500 rms) pushed by a Hifonics Brutus BXI1206D 1200x1 @ 1ohm watt monoblock class D amp.

    I am scared of how loud it will be! I ran 2 pioneer's back in the day, maybe getting 150-200 watts each, and my 89 525i rattled horribly! Although, it was mostly the trunk lid which rattled. So I can only imagine what this will do...
    Rondell 58's|Eibach Springs|B&B Tri-Flow Exhaust|Shadowline|S/D Rotors|KYB Struts



  4. #4
    Join Date
    Apr 2006
    Posts
    50

    Default

    Quote Originally Posted by saj3n
    Thanks, I'll have to see who I can find that works there... I'm sure I have a few friends.

    I am running 2 Alpine SWR-1242D's (1500watt max - 500 rms) pushed by a Hifonics Brutus BXI1206D 1200x1 @ 1ohm watt monoblock class D amp.

    I am scared of how loud it will be! I ran 2 pioneer's back in the day, maybe getting 150-200 watts each, and my 89 525i rattled horribly! Although, it was mostly the trunk lid which rattled. So I can only imagine what this will do...

    Holy crap dude, I'm only running one Type R, and it bumps pretty damn good. Two should be some good fun for ya... but I'm a bit concerned about rattling. And despite the amount of material separating the trunk from the cabin, the type r's sound really clean. Hope you have some capacitors though, cuz my lights flicker already.

    BTW... did you know you could have purchased the Alpine SWR-1242D's from Bestbuy for ~$85 a piece? Supposedly, Bestbuy and Alpine are associatted somehow, and employees get even more discount on all Alpine equipment in general.

    Anyhow, enough of me talking about how cool it is to have a friend work at Bestbuy, good luck with the system install.

  5. #5
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    Philadelphia
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    Default

    $85!!! Not bad! I figured I got mine for a steal, $200 for the pair, but wouldn't have minded saving that extra $30. Yea, I'm thinking that I'll most likely need a Cap for the system or a High Output altenator (heard much more effective than capacitors). The battery is new, so that shouldn't be a problem. But we'll see just how much it rattles when I get them in there. My amp should be here by Wednesday. I figured that I'll install everything by Thursday, and then do the dynamat and put a cap in, if needed, later that week or early next. I'm sure i'll be spending a few hours tuning the system perfectly. It's been so long since I've waited to finish this system off. I started a year and a half ago, and only have cabin speakers & deck installed (they sound AMAZING mind you) but now my SUBS!!! YAY!!! :-D

    So, about this friend at Best Buy... :-P
    Rondell 58's|Eibach Springs|B&B Tri-Flow Exhaust|Shadowline|S/D Rotors|KYB Struts



  6. #6
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    Chicago, Il. U.S.A.
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    Default

    I can tell you what it will do.
    Go pick up your phone, hear the dial tone?
    Wanna hear it for the rest of your life? I have for the last twenty years and am ****in' well sick of it!
    It's your hearing bud.
    "The gas pedal wouldn't go to the floor if it weren't meant to be there"

  7. #7
    Join Date
    Jan 2004
    Posts
    4,150

    Default I'll trade you Ross, I'd like a nice mellow dial tone, mines more like

    the sound that cicada's make continously, much higher pitched than a dial tone. Thats one thing the hearing aid is good for, it amplifies everything else so that the cicada's aren't the loudest thing i hear.




    Quote Originally Posted by Ross
    I can tell you what it will do.
    Go pick up your phone, hear the dial tone?
    Wanna hear it for the rest of your life? I have for the last twenty years and am ****in' well sick of it!
    It's your hearing bud.


  8. #8
    Join Date
    Oct 2004
    Location
    Honolulu
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    3,105

    Default Need for loud stereos

    Is to drowned out all those voices in their heads.


    Vee ave vays of dealing vid your kind...........

  9. #9
    Join Date
    Mar 2005
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    Hockinson, Washington
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    Default

    Quote Originally Posted by Blitzkrieg Bob
    Is to drowned out all those voices in their heads.
    Its true.
    Lowered with blue h&r(?) springs, Bilsteins, tint, 19# design 3 injectors, Dual Magnaflow
    southwest WA

  10. #10
    Join Date
    Apr 2006
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    Default

    Actually your description is more apt than my dial tone analogy, can I use it.
    "The gas pedal wouldn't go to the floor if it weren't meant to be there"

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