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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

Maybe

They don't have any more diaphragms, but they might have some suggestions for you.

I would do as unclestu suggested and move the rear tweeter to the front, and replace both the rear tweeters with these Morel tweeters.

http://www.parts-express.com/morel-mdt-12-1-1-8-neodymium-tweeter--277-060

Save the other rear tweeter for a spare.

While not titanium, it will sound fine as the rear tweeter. It also has a very low resonance to crossover low like the original tweeter.

Now:

You need to treat all the foam before it all falls apart.

Buy some Weldbond and thin it out with water, put a couple of thin coats on the foam (wait a half-hour between coats). The first coat (or two) will soak right in. They may need a third coat if the second coat doesn't leave a 'skin' on the surface.

How much do you need to thin it? Try about 2:1 to start. You want it thin enough to soak into the pores of the foam. Use a very soft artist's brush.

Weldbond dries clear and remains flexible. It will add years to the life of the foam, with no noticable change in the sound.




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