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Acoustic damping 4pi speakers [message #87804] Fri, 13 April 2018 17:19 Go to next message
jw67  is currently offline jw67
Messages: 3
Registered: April 2018
Esquire
I am very new to the world of self build speakers and this is my first post.

I am very slowly in the process of building 4 pi speakers, I'm in the uk and can get 100mm fibreglass insulation. However i wondered if there was a better product available. Mundorf Twaron angel hair/unicorn tail wadding?? 8mm felt or egg box foam. These are all available at a specialist hifi website over here. I have literally no idea about any of them. I would appreciate input. Or stick to the 100mm fibreglass.

Thanks in advance.
Re: Acoustic damping 4pi speakers [message #87815 is a reply to message #87804 ] Sat, 14 April 2018 09:34 Go to previous messageGo to next message
Wayne Parham  is currently offline Wayne Parham
Messages: 17205
Registered: May 2009
Illuminati (33rd Degree)

Use fiberglass insulation. I haven't found a better product for acoustic damping inside a loudspeaker, and I've sure found a lot worse. Occasionally someone will try a different product and get poor results, so they eventually rip it all out and go with R13.

Re: Acoustic damping 4pi speakers [message #87818 is a reply to message #87815 ] Sat, 14 April 2018 11:57 Go to previous messageGo to next message
jw67  is currently offline jw67
Messages: 3
Registered: April 2018
Esquire
Thank you for your prompt reply.

I will do so-it's a lot cheaper as well.

R13 doesn't exist over here. I presume 100mm fibreglass is the equivalent.
Re: Acoustic damping 4pi speakers [message #87820 is a reply to message #87818 ] Sun, 15 April 2018 11:31 Go to previous messageGo to next message
Wayne Parham  is currently offline Wayne Parham
Messages: 17205
Registered: May 2009
Illuminati (33rd Degree)

I would assume 100mm fiberglass is similar to R13 because their thicknesses are approximately the same.

Re: Acoustic damping 4pi speakers [message #87822 is a reply to message #87804 ] Sun, 15 April 2018 14:04 Go to previous message
jw67  is currently offline jw67
Messages: 3
Registered: April 2018
Esquire
Perfect. Thank you.
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