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Re: Has anyone tried this tweak?

Posted by Sean H (A) on July 31, 2002 at 09:11:53

In Reply to: Re: Has anyone tried this tweak? posted by hondadanda on July 31, 2002 at 08:05:58:

Contrary to the suggestions of others here, I decided to start with a lot of felt in my first run at this so I basically have the entire Focal tweeter's mounting plate covered with the felt, the hole around the tweeter coming very close to it's edges. Bold I know, but hey this is free and it can be removed and cut smaller in seconds. I got a ton of it for $3. I used regular old rubber cement. Rubber cement sticks nicely, does not damage, can be applied and reapplied several times before wearing out, and cleans up very easily by just rubbing off. You just brush it on the felt.

I just checked out the PSB web site and I see what the tweeter looks like on your mini's. Since we are talking a mere few dollars here for the glue and felt I'd just give it a try. Try applying a ring close to the tweeter, try applying one a bit of a distance away, try large rings, thin rings, etc. The Reynaud Twins have a recessed tweeter like yours, they apply a felt ring around the edge coming from the tweeter to help diffraction from the immediate edge next to the tweeter. You might try felt very close to the tweeter too. Who knows.

As to focus versus losing detail/clarity, even with the huge amount of felt I have applied right now I have to say I have noticed no decrease in detail at all and clarity has only got better. I plan to listen for a day two more with this amount of felt and then try removing it to see if I can gauge what exactly has changed. So far I could not be more pleased. Like you Danda, I tend to like a more sweeter sounding treble but I like detail too. Though the Paradox 1's were not too bright or forward before, they now sound just as detailed but slightly sweeter and more focused. The focused images is a very nice improvement, it's like some background noise or high freq hash has been removed, leaving me with more music in space. Dekay described in one of his posts that just a small amount of felt made big differences on a pair of speakers in one of his experiments, in one case too much so where it took the treble down too much. Again, every case is different, but in my case this is not happening. It's not as if the treble sounds like a blanket has been thrown over it or anything like that, no muffling,
I'm simply noticing changes in the realm of "minor" or a "tweak."

Hope that helps. Trial and error. It's cheap and totally reversable if you do not like it, and you are out only a few dollars but have it on hand for the future. Regular acrylic based felt can be found at about all fabric stores but if you can I'd call around and find one that has a content or percentage of Wool or cotton in it. Mine has a wool content.

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