[Boatanchors] Speaker repair

rbethman rbethman at comcast.net
Sun Jan 15 11:44:37 EST 2012


You may try this: (She *may* be willing to assist with obtaining the 
cement used.  She DOES repairs.)

> Since I received numerous requests for this information, I thought I 
> would post it here so all can benefit from it.
>
> JUDITH FULKERSON/OXFORD, MICHIGAN
> CALL: 248 628-5051
> FAX: 248 628-8983
> E-MAIL: JBLJUDY at CHARTER.NET
> ADDRESS: 2711 W. DRAHNER, OXFORD, MI
> REPAIRS/REBUILDS SPEAKER CONES AND REPLACES FOAM SUSPENSION FOR MOST 
> MAKES AND MODELS.
>
>
> Duane Fischer, W8DBF/WPE8CXO 
Bob - N0DGN


On 1/15/2012 11:24 AM, Gerry Steffens wrote:
> I have been repairing some old speakers.  In this case it is repairing torn
> cones.
>
> Some years ago I got a large medicine bottle of a glue-like substance to fix
> torn speaker cones from a speaker repairman.  It works great.  It looks like
> Elmer's white glue and is about the same consistency.  But, he told me it
> has particulate matter (probably fiber glass) mixed in to help firm up the
> repair.  It dries pretty much clear and DOES NOT HARDEN completely like glue
> (nor is it tacky), such that one can repair the flexible suspension portion
> of the cone if necessary.
>
> I have glued together some really horrid looking, torn up cones and even
> patched in some larger holes, returning the speakers to service without
> noticeably affecting the sound.  While this probably would drive the
> audiofools crazy and it most likely does affect the sound to some degree,
> but for boatanchors and other old radios it does a great job, although the
> repaired speaker cone is no prize-winning looker as the glue is very visible
> as darker portions where it is applied.  Generally, I apply the product to
> the tear and then line up the seam and let it dry.  Follow-up is a couple of
> more coats, feathering it out to provide extra support for the damaged area.
>
> It brushes on nicely and the brush cleans up with warm water.  I have not
> yet attempted to thin it with water but if I get desperate I plan to try.
> He told me he buys it in gallon quantities and it does dry out on him
> sometimes.  He is no longer in business and I was too dumb to ask about it
> before he quit.
>
> Now the question.  What is it?  Has anyone ever heard of or seen such a
> product?  If so where can I get more?
>
> As long as the voice coil is not damaged and is mostly connected to the rest
> of the cone (for position purposes), this stuff has almost always fixed up
> any speaker I have used it on.
>
> Thanks,
> Gerry
>
> Gerald Steffens P.E.
> Radio Historian, collecting&  restoring
> E.H. Scott, McMurdo Silver, Hallicrafters,
> National, Zenith Transoceanics&  any other
> interesting radios&  classic Oldsmobiles
>
>
>
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