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20 Main Street, Ashland, MA, 01721, USA
Care to order some replacement parts or new speakers?
One of the most-asked questions we receive about speaker repair for vintage Snell speakers is what to do about the deterioration of the foam surrounds. It has always been Snell Acoustics' policy not to re-foam their speakers.
With the Snell audio performance standard of +/- 0 .5dB of the engineering reference and the difficulty of predicting a consistent, good outcome of re-foaming, Snell Acoustics does not support that process.
If you have speakers that have been re-foamed and you are not happy with their performance, you can usually get your Snell speakers back to original factory specification by replacing the drivers with our hand-tuned replacements. When you order replacement parts from our store, you are buying all the Snell parts necessary to bring your speaker back to life! Have a look through our Snell drivers catalog to find what you need.
Snell also sites the following details on why re-foaming causes issues:
The compliance of the cone suspension is determined by the foam and the spider, obtaining the right foam compliance to properly work with the other materials is, at best, inexact.
Cone excursion is a critical spec. Replacement surrounds can lack sufficient travel.
Gluing the foam to the basket and woofer cone, while keeping it aligned is critical, and difficult to do. There can be no interruption of the glue seam or an air leak will result. Too much glue can cause added mass, or alter the compliance of the surround.
The resting position of the foam can affect the location of the voice coil to the magnetic field. Therefore, the offset of the replacement foam must exactly match the offset of the original factory foam. This issue is often not considered when a new surround is installed.
Lastly, the paper cone and other soft parts, in addition to the foam, break down over time. New and re-coned woofers use new parts.
Ashland, MA | Palm Springs, CA
Visit our Demo Room: 20 Main Street, Ashland, MA 01721, USA