Speaker Asylum General speaker questions for audio and home theater.

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Re: Quick question on the foam thing...

Posted by Peter Qvortrup (M) on May 24, 2004 at 01:42:47

In Reply to: Quick question on the foam thing... posted by RGA on May 23, 2004 at 23:38:10:

Dear Richard,

Where you live you should expect 15 - 20 years of life, in hot and humid parts of the world it can be as little as 5 - 7 years, if left in direct sunlight even less.

The foam surround itself is cheap, about US$ 5.00, it takes about an hour to change, so I would say somewhere between $ 100.00 and $ 150.00, depending on what the technician charges an hour.

Stands?

20 inches is too high, they need to be between 14 and 16 inches ideally. Why?

We "add" the first reflection from the floor to the overall sound, (we do the same with the side and rear wall reflections) and this is calculated into the speakers output when the crossover/driver match is set up, if the stand is too high or too low it will change the overall frequency balance, either lighter or darker depending on whether the stands are higher or lower than recommended.

Hope this explains.

Sincerely,
Peter Qvortrup

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