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Old 27th February 2006, 09:01 PM   #1
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Default vented tube design for small driver

I've just purchased an 8" dayton dvc and 100w plate amp to put in a .5 cu.ft. box i already have. It would be a front-firing ported enclusure. However, I've been reading about uses of sonotube and was wondering if I could use a segment of sonotube to (seriously) extend my box volume, say, like this.
Would this cause any weird problems? I have modeled it in WinIsd and graphs look good. I would be downfiring instead of front firing. Is a 5.2% sag acceptable? Am I just some math and a couple feet from a TL? Would an 8" driver be acceptable for a small TL using 8" diameter sonotube. Some advice would be helpful as I am very new to this. Powered Sonotube TL?
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Old 27th February 2006, 09:54 PM   #2
simon5 is offline simon5  Canada
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Usually 5% sag is the limit, so I guess it would be ok...

A TL with a 8" driver? Many people do that.
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Old 27th February 2006, 09:57 PM   #3
tade is offline tade  United States
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can you use a dc current to prevent cone sag?
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Old 27th February 2006, 10:15 PM   #4
simon5 is offline simon5  Canada
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Not recommended AFAIK.
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