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Substitute for Woofer p/n 141760

I have a set of Pioneer SpeAkers Model CS-G201WAll and the woofers have dry rotted Foam around the Cone. Should I replace the Foam or both the Foam and Cone. Also, I have called Pioneer Corp. to see if they have a replacement Woofer for p/n 141760 and they said "no longer Available."

I checked for compatiable speaker sets and they listed model CSG201/CSB5000D. It doesn't say what the watts, ohms and frequency ranges are for this particluar item. Can you help me see if they are interchangeable?
Thank, Jeff

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Hi there

Replace the foam for sure. It is always better than looking for another original driver to fit to the box, as they often have foam deterioration happening as well(spares are the same age as the originals) . A great idea(once repaired) is to use an artists paintbrush to apply "Armoural" a polyvinyl protectant to the foam. It will extend the life of it by at least double. They rot in hot humidity and heat environments and there is not alot that works better than that foam. I have done hundreds of speakers here in Queensland Australia. If you live in a hot humid area, there is probably a HiFi shop near you that does repairs to surrounds also. Good Luck

Do you have a source and knowledge for replacement of foam surrounds. holler back and I can help:)

regards
Graeme

Posted on Mar 21, 2008

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I have a pair of custom made bookshelf size speakers that I love. They are older speakers that use french made Focal 7" dual voice coil drivers. One mid-bass 7" driver and one tweeter per...


Hi,
Well, fortunately it was the woofer that blew out. The reason I say that is because woofer material should have little to do with accurate reproduction in that frequency range. Since I don't know the model number of the speaker that was discontinued, I can suggest to you what can be done to get a satisfactory result.
1st If you have the model number on the Bass Driver AND Focal has the specifications. Go ahead and match the characteristics using THEIR data. The most important characteristics, besides the size of the driver would be the efficiency of the driver in terms of dB out. And the resonance frequency.
If these two are matched up closely, you should be good to go.
Focal is known to make good drivers, however, if you have to go to another manufacturer and you match the specs as above, then you should still do well.
If you get a newer Driver from focal, some of the characteristics may have been improved upon over the older driver. Such as transient response. If that were improved upon, It wouldn't sound really different, but it would seem tighter in the bass range.
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That would be the best replacement, as it would be permanent (if you don't badly overdrive it)
I've been an audiophile for most of my life, and I love music. I REALLY feel for you. I think that you will come out this just fine.
I hope this helps you,
Best,
Mark

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