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Thread: JBL SVA1800 refoam

  1. #1
    Senior Member bigyank's Avatar
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    JBL SVA1800 refoam

    So I got a set of Rick Cobb refoam kits a couple of months ago and finally got a weekend to sit down to get 'er done. I have done many woofer/mid refoams over the years but this set fit like they were only made for these woofers.

    Pic of the first pair, cleaned off of the old foam. I did not realize how bad they actually were. Was clay-like in consistency. Actually I cleaned the frames up even more with nail polish and cotton balls then this cell phone pic shows.
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    Basement: JBL SVA-1800 and 2226H DIY Enclosures Computer room: Control-5:Control SB-2 Living room: JBL 240ti

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    Senior Member bigyank's Avatar
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    One thing that I had to improvise on and that is the frame size actually prevented me from using my tried and true clamping method, cloth pins. I cut some cheesy rca cables and used them to clamp down onto the frame. Worked really well. Seems JBL used some sort of press to "stamp" the originals onto the frames. My method was way less hi-tech.
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    Basement: JBL SVA-1800 and 2226H DIY Enclosures Computer room: Control-5:Control SB-2 Living room: JBL 240ti

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    Senior Member bigyank's Avatar
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    Here is a pair with their requisite clothes pins. 30 Hz signal in conjuction with gravity worked like a champ.
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    Basement: JBL SVA-1800 and 2226H DIY Enclosures Computer room: Control-5:Control SB-2 Living room: JBL 240ti

  4. #4
    Senior Member bigyank's Avatar
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    Here we are all done. I usually wait for 24 hrs to install and then I will let 'er rip.
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    Basement: JBL SVA-1800 and 2226H DIY Enclosures Computer room: Control-5:Control SB-2 Living room: JBL 240ti

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    Senior Member gferrell's Avatar
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    They look good as new! Good job!
    XPL 200's, XPL 160's, XPL 140's, L7's, L5's, L3's, L1's Homemade L Center, 4412's, 4406, L60T's, L20T's

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    Senior Member bigyank's Avatar
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    Quote Originally Posted by gferrell View Post
    They look good as new! Good job!
    Thanks! I never had a kit whose fit was as good as these. Rick Cobb is the man!
    Basement: JBL SVA-1800 and 2226H DIY Enclosures Computer room: Control-5:Control SB-2 Living room: JBL 240ti

  7. #7
    Senior Member SEAWOLF97's Avatar
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    Quote Originally Posted by bigyank View Post
    Thanks! I never had a kit whose fit was as good as these. Rick Cobb is the man!
    when I had to refoam the LE14-H1's in the 250Ti's, ordered from RC , fit perfectly.
    “If you think that’s the dumbest thing you’ve ever heard,
    just wait a couple minutes!”

  8. #8
    Senior Member audiomagnate's Avatar
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    Those sure look like the ones Mat Electronics sells for $2.50, $1.85 if you buy ten. That's what I used to refoam my 1800's (which I absolutely LOVE BTW). The SVA-2100/1800 are real sleepers IMO.

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