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Bigger bottle, shorter neck [message #37369 is a reply to message #37362]

Wed, 17 July 2002 22:07

Wayne Parham
Messages: 18726
Registered: January 2001

Illuminati (33rd Degree)

A cabinet sized 53" X 18.5" X 7.125" is about four cubic feet, outside dimensions, so the cabinet would be tuned lower if it used the same port. But you'd lose bass response because the cabinet would be be tuned too low to do much good.

Assuming a few hundred cubic inches are displaced by components inside and by wood thickness, your cabinet is 3.5 cubic feet. So to tune this for 40Hz, you'll need to shorten the port to 5" long, assuming the same rectangular W x H dimensions of 3.5" x 6.0."

That will tune it to the same frequency as the "stock" Professional Series four π speaker, and it will sound pretty good. A 2226 works very well in cabinets from 2.0ft3 to 5.0ft3 tuned to 40Hz.

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[Message index]

		What is Pialign? By: Anonymous on Wed, 17 July 2002 09:30
		It's an alignment, and a program that recommends cabinets using that alignment By: Wayne Parham on Wed, 17 July 2002 12:09
		more questions By: Anonymous on Wed, 17 July 2002 13:40
		more answers By: Wayne Parham on Wed, 17 July 2002 14:40
		I have a question, too! By: BillEpstein on Wed, 17 July 2002 18:53
		It's all related to beer By: Wayne Parham on Wed, 17 July 2002 19:46
		The shape of the bottle? Does a liter bottle of beer...... By: BillEpstein on Wed, 17 July 2002 20:07
		Bigger bottle, shorter neck By: Wayne Parham on Wed, 17 July 2002 22:07

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