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(2) Usher 8955a in 60 liters...?
(2) Usher 8955a in 60 liters...?
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Old 4th March 2010, 05:08 PM   #1
captainobvious is offline captainobvious  United States
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Arrow (2) Usher 8955a in 60 liters...?

Im building a 3-way speaker that has 60 liters of available volume for a pair of Usher 8955a drivers. They will be playing about 350hz and down, sharing the airspace. Would it be better to (and why)...

1: Go vented with a smaller airspace, and tune 60L, 30hz
2: Go sealed with a 60L airspace, Qtc 0.61
3: Go sealed with a 40L airspace (add mass), Qtc 0.71

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Old 4th March 2010, 09:18 PM   #2
DcibeL is offline DcibeL  Canada
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Usher 8955A looks like it will enjoy a large vented cabinet. More like 50 Litres per driver.

Download Unibox, or Jeff B's Woofer box sim, and decide what you think is best.
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