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Old 30th October 2005, 02:49 PM   #1
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Default Aurasound NS3-194-8E

Has anyone tried this little 3" fullrange speaker? The specs looks quite good. Insanely good considering the price.

I was thinking about a 2-way system with this as mid/high and a lightweight 8" woofer with a crossoverpoint between 250 and 400 Hz. Do you think it would work?

http://www.madisound.com/cgi-bin/ind...20017&pid=1757
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Old 31st October 2005, 03:44 AM   #2
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I'v got a pair in a set-up with a pair of T B W4-992S and run off my computer an they sound very good IMHO.
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Old 2nd November 2005, 05:45 AM   #3
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Just got another idea for this project. What do you think about mounting the fullrange driver without any box behind it? I'll try to explain my idea...

Picture the complete speaker as a lower case "b" when you look at it from the side. You have the vented enclosure for the 8" woofer in the lower part of the speaker, but the front baffel continues upwards and the 3" driver is just mounted in the middle och the part of the front that goes over the bass enclosure. (It's not easy to explain something when english isn't your native language )

Wouldn't that create a fairly "airy" sound?
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Old 2nd November 2005, 05:54 AM   #4
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Quote:
Originally posted by Mikael Abdellah
ower case "b" when you look at it from the side
Open baffle mid-tweeter XOed to a sealed or vented woofer. A great idea... not original but it does work. The baffle should be wide enuff that the dipole roll-off is at or below the frequency you want to cut it off. The mid-tweeter will need a filter -- active would be best.

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Old 2nd November 2005, 06:16 AM   #5
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Can I use the length of a full wave at the desired freq. to determine the area of the baffle?
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Old 2nd November 2005, 06:40 AM   #6
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Quote:
Originally posted by Mikael Abdellah
Can I use the length of a full wave at the desired freq. to determine the area of the baffle?
There was a long discussion on this... the right answer is to download The Edge or Thorsten's OB spreadsheet

http://www.t-linespeakers.org/downloads.html

the short answer -- IIRC -- was 0.25 x WL = minimum width. Driver Q and room placement all play a role so that is a very loose guide.

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Old 2nd November 2005, 03:22 PM   #7
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I have studied the document briefly but I can't understand it. Where do I enter the data for my driver and wich sheet shows the oben baffle data?
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Old 2nd November 2005, 04:58 PM   #8
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Speaking of width... does baffle height play a role?
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Old 3rd November 2005, 12:45 AM   #9
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This may be more then you want but its along the same lines OB over a BR box http://www.madisound.com/pdf/fostexc...5k_tallboy.pdf
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Old 27th June 2007, 02:22 PM   #10
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I started building the speakers last night. so far I am half finished with one of the 2 speakers. There is one thing i wonder. Should I dampen the sides for the open baffle 3" fullrange or should i leave the boards naked?
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