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Re: Damping material placement [message #69267 is a reply to message #69265]

Thu, 01 September 2011 10:32

Wayne Parham
Messages: 18748
Registered: January 2001

Illuminati (33rd Degree)

I use R13 (which is about 3" thick) on the back, top and side nearest the port. I also use a sheet that spans the cross-section, glued on the brace between the woofer and tweeter, which is also between the woofer and port. Honestly, this is probably the most important sheet. It does a great job of damping internal standing waves that would otherwise cause some lower midrange ripple.

This has been discussed on the forum, although I'm sure it is lost in the thousands of posts. It is mentioned in the plans.

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[Message index]

		Damping material placement By: doucanoe on Thu, 01 September 2011 09:25
		Re: Damping material placement By: Wayne Parham on Thu, 01 September 2011 10:32
		Re: Damping material placement By: doucanoe on Thu, 01 September 2011 11:33
		Re: Damping material placement By: Wayne Parham on Thu, 01 September 2011 13:19
		Re: Damping material placement By: doucanoe on Thu, 01 September 2011 14:50
		Re: Damping material placement By: Wayne Parham on Thu, 01 September 2011 14:55

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