RS4b paper layer under foam surround..? Help!

Discussion in 'Infinity Loudspeakers' started by ksweezy, Jun 3, 2018.

  1. ksweezy

    ksweezy New Member

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    AE2691C9-F787-4B36-B248-7A8AAA067023.jpeg 4FFDD7BF-C07C-4F84-A3E0-6E5A82E671E5.jpeg So.. I’m refoaming a set of rs4bs, and I have encountered a 1/16” paper riser that lives under the original foam. I have reconed speakers before, but never encountered this. In the past, I had been advised to scrape down to the raw metal of the frame so you have a clean, solid surface to glue to. I just decided to remove the paper riser on this first driver and continue as normal. Now I have glued the new surround to the cone and Lo and behold, the outer edge is 1/16” above the metal frame.

    Has anybody else experienced this? Should I leave it and glue to it, or....?

    I can’t find any mention of it anywhere, but maybe I’m using the wrong search words.

    Attached are some images of the paper riser still attached.
     
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  2. OnTheBlitz

    OnTheBlitz Say Hello to Cosmo & Scoots :-) Subscriber

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    There were no images.....
     
  3. ksweezy

    ksweezy New Member

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    Did u click their hyperlink? There are images on my computer..
     
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  4. OnTheBlitz

    OnTheBlitz Say Hello to Cosmo & Scoots :-) Subscriber

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    Sorry man, there are no images....also, no link....Is there a way to test-fit the surround to make sure the voice coil does not bottom out inside the pole cavity? If it doesn't, then it should be okay...
     
  5. ksweezy

    ksweezy New Member

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    546F254C-F57A-4765-B24E-89481AFAE76B.jpeg DF553350-BF80-4CB9-A5F2-7C6D3D29D0E7.jpeg
     
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  6. OnTheBlitz

    OnTheBlitz Say Hello to Cosmo & Scoots :-) Subscriber

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    Really hard to tell. Best bet would be to tack-on the surround somehow and make sure the voice coil does not bottom out due to it is now 1/16" closer to the bottom of the pole cavity.
     

     

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  7. ksweezy

    ksweezy New Member

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    Copy that. Did you see the pictures?

    I’m just curious why nobody has ever said anything about this before
     
  8. pauljh

    pauljh Active Member

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    There are images in the original post.
     
  9. ksweezy

    ksweezy New Member

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    FWIW, I wound up removing the paper risers and used simply speakers brand surrounds and the results are excellent! No need for compensating for the riser. Thanks for the input, @OnTheBlitz ... I did run 40hz through each throughout the process to ensure proper functionality.
     
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  10. OnTheBlitz

    OnTheBlitz Say Hello to Cosmo & Scoots :-) Subscriber

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    Cool deal! Glad it works!
     

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