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| Date: |
January 07, 2008 at 17:56:30 |
| From: |
cheapskate, [ic36.library.oregonstate.edu] |
| Subject: |
HELP: need Radio Shack Thiele-Small formulas |
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i've tried a bunch of different keyword searches and even visited the thiele-small site trying to find the box calculating formulas for sealed and ported boxes to no avail. the closest i could come is finding online calculators that i can't use. i DID find some funky formulas here that i couldn't make heads or tails of.
i need those SIMPLE formulas so i can do some calculations at home where i'm not online. the radio shack book i used to have had very simple formulas. multiply vas X qts, divide this by that and boom... easy formula. i have no idea what the upward pointing arrows mean in the complex formulas listed here.
all i need is the short form formulas for finding -f3s at various smaller enclosures for the drivers in my MCM catalogue. sadly, they give "optimum" alignments for their woofers, but the box sizes are all over the map and i want to find the deepest bass for the smallest box for my bicycle.
i can't use calculators as i'm in a library now and have to do all my calculations the old fashioned way.
i'd greatly appreciate it if anyone has the SIMPLE formulas that i can't seem to find anywhere online. the one given here for sealed boxes is about 8X more complicated than the one in my old book. that formula only required 3 or 4 calculations.
thanks in advance to anyone who can direct me to those equations. i've tried, and just can't find them, just calculators that hide their math.
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