ACOUSTIC RESEARCH CLOTH SURROUND WOOFERS LARGE SEALANT KIT, ALSO KLH

Description

This is a complete kit for re-sealing the cloth surrounds used on early acoustic suspension speaker woofers manufactured by Acoustic Research, KLH and other brands.
This is a larger quantity, twice the amount in our standard kit. This is amber in color and will reactivate the black sealant color if the original was black.
We are getting reports that some KLH surrounds and other brands are very porous. You may require this larger container if you are sealing more than one pair of surrounds other than AR. We can not tell you how much sealant you will require other than for AR. Follow the instructions and don't over use the material.
The kit includes; a container of sealant, an application brush and experience based instructions. One kit is sufficient to seal 2-4 large AR surrounds depending on the surrounds' condition. Sealed in the glass container, the material will last over a year for future use.
It is chemically very similar to the compound originally used by these manufactures.
Developed and tested for several years in consultation with senior AR fans with close ties to the original AR corporation.
It will serve to reactivate the original surround treatment, which is often dried out and porous after decades of use, providing the superior bass response acoustic suspension speakers are noted for.
Woofers used in “acoustic suspension” designs must be very compliant, and the cabinet must be relatively airtight. Unfortunately, in recent years, many woofers have been ruined by well meaning “restorers” as they attempted to seal porous woofer surrounds through the application of various materials such as glues, varnishes and caulking compounds, many ending up at VINTAGE-AR for repair.
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