Felt around tweeters
Comments
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After reading all the good input on this subject it looks like (at least to me) that if a speaker designer has figured a felt overlay into the design of the speaker it's a definite go. If not, it's more of a hit or miss thing.
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I suspect you're right...Steve Carlson
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BobMcG wrote:After reading all the good input on this subject it looks like (at least to me) that if a speaker designer has figured a felt overlay into the design of the speaker it's a definite go. If not, it's more of a hit or miss thing.
Hi Bob,
The way I figure it is that if the speaker designer didn't already take measures to address diffusion off of sharp cabinet edges via rounding the edges, specially designed grillwork, or felt treament, etc, then there may be room for improvement. As I mentioned, some of the vintage speakers seem to be better candidates for this simply because they don't seem to have the attention to this issue that the newer designs seem to have.
Since the improvements are rather subtle, this would suggest that any experimentation would require a means of accurately measuring the results of the treatment to make sure it really is an improvement. Doing this entirely by ear may result in improvements in only a selected range of frequencies and may actually hurt the frequency response in an other range.
Unfortunately even with measurements the placement of the felt in relation to the drivers remains a big unknown factor. That is, we can't predict the effect changing the placement of the felt will have on our measurements. Therefore, we are left with a lot of time consuming trial and error. Definately a hit or miss undertaking if you will.
Larry
