take a look at this site. He uses that woofer in a u-frame
http://www.geocities.com/kreskovs/NaO.html
http://www.geocities.com/kreskovs/NaO.html
MtnBob said:I saw the Dayton 12" IB at PE. The specs are fs 26.4 Ots .61 Xmax 15.1mm. Those look good for a dipole sub to my untrained eye. If not, got any suggestions in the same price range ($85) ?
Those look good to me. I was actually thinking about those at one point, but didn't have the cash at the time to afford them.
Chops, I remember reading about your adventure with an OB sub. You seemed pretty happy with the Pyle 15"ers, as I recall. But didn't you use 4? That, along with another amp, would put me over budget . How do you think just a pair would do?
I was thinking 12s to keep the size and cost lower (and SAF higher) but the Pyle 12s have a higher fs than I was hoping for.
My room is fairly large volume - abt 14x20 with a ceiling sloping from 10' to 20'.
Being retired is great for having time to build, but the limited income makes it difficult to buy anything to build with!
I was thinking 12s to keep the size and cost lower (and SAF higher) but the Pyle 12s have a higher fs than I was hoping for.
My room is fairly large volume - abt 14x20 with a ceiling sloping from 10' to 20'.
Being retired is great for having time to build, but the limited income makes it difficult to buy anything to build with!
Here is the spreadsheet.
http://melhuish.org/audio/download/Xlbaffle.xls
you'll notice with testing that the baffle has much to do with the Frequency response. SPL of course has more to do with the size of the driver. Although I can't imagine that 2x12" woofers can't fill your room properly powered. At the same time though, through all my plug and chug experiments I found that I couldn't really justify using a smaller baffle than the one that CHOPS used, therefore you might just as well go with the 15".
NOTICE: All my work thus far regarding the OB subs is on paper only. That xlbaffle spreadsheet is really great fun
Milo
http://melhuish.org/audio/download/Xlbaffle.xls
you'll notice with testing that the baffle has much to do with the Frequency response. SPL of course has more to do with the size of the driver. Although I can't imagine that 2x12" woofers can't fill your room properly powered. At the same time though, through all my plug and chug experiments I found that I couldn't really justify using a smaller baffle than the one that CHOPS used, therefore you might just as well go with the 15".
NOTICE: All my work thus far regarding the OB subs is on paper only. That xlbaffle spreadsheet is really great fun
Milo
http://www.madisound.com/fw800n.pdf
You wouldn't need a really big baffle for these. And they are sooooo cheep.
Milo
You wouldn't need a really big baffle for these. And they are sooooo cheep.
Milo
454Casull said:IMO, that driver would not be suitable. Its displacement is pretty damn small.
It's a 32" woofer, it doesn't need much xMax to move a lot of air.
dave
454Casull said:given a 500mm path difference
is this the wrap-around distance between front & back?
If it is, the FW800 would have a minimum of 800 mm being an 800mm driver... larger would be more likely.
dave
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