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Post by mikela on Nov 30, 2013 9:22:23 GMT -7
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Post by ThomasW on Dec 1, 2013 7:28:52 GMT -7
Yes it would.
Looks like they've gone the extra mile creating a low distortion sub with a curvilinear cone. That's something we don't see very often.
Note that PE doesn't have them in stock.
BTW; did you build the DBA?
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Post by FOH on Dec 1, 2013 16:32:04 GMT -7
The 15" version is enjoying some good success in small sealed apps. Yeah, the 18" is a sweet offering. What's fascinating is the manner in which the former appears to be connected a mini-cone, subsequently connected to the curved cone. I'm not familiar with such an approach.
Here's the image showing what I'm referring to. Doesn't necessarily mean anything, merely an observation I find interesting.
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Post by ThomasW on Dec 2, 2013 7:33:43 GMT -7
Curvilinear cones aren't inherently as stiff as straight cones. Looks like they've used the flared cone as a stiffening element for middle of the cone.
It would be really interesting to see a Klippelk test of this driver
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Post by mikela on Dec 6, 2013 18:04:51 GMT -7
BTW; did you build the DBA? Hi Thomas, Not yet, however, I did just finish the extension to my house for the home theater which includes space at both ends for IB. Now that I am retired I have time to finally build it out once I finish the wife's kitchen remodel. I am now thinking an SBA might be the way to go with absorption at the opposing end. Mike |
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Post by m3pete on Apr 30, 2014 13:36:17 GMT -7
These are priced at $280 for 1 - 3 , and $267 for 4 or more. Given the closeness of the pricing between this and the Fi IB318, inquiring minds want to know: which one is "better"?
Do the specs tell the story?
I'm considering a 2-driver manifold for my attic, with space for another pair down the road.
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Post by ThomasW on Apr 30, 2014 20:24:29 GMT -7
These are priced at $280 for 1 - 3 , and $267 for 4 or more. Given the closeness of the pricing between this and the Fi IB318, inquiring minds want to know: which one is "better"? Difficult to speculate regarding drivers that have yet to be offered for sale. On paper it looks good, only time will tell if/when they're available for purchase |
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Post by m3pete on May 1, 2014 16:19:23 GMT -7
June 29, 2014 is the estimated date. We'll see.
Since none have shipped, I guess my question is: do the specs look "better" than the IB318? (I have yet to understand the specs, so I need some help)
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Post by ThomasW on May 1, 2014 20:38:21 GMT -7
It's not an IB specific driver like the Fi. So you're asking for an apples vs oranges comparison.
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johnvb
Junior Member
Posts: 71 
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Post by johnvb on Nov 25, 2015 8:11:22 GMT -7
Right now I'm in the process of building a couple of sealed subs using these drivers plus the flat packs from PE. Neat that I can use them in IBs later. Just got to remember to lay some kind of weather stripping between the driver and the Duratex coated box. Recently tried pulling out some other drivers from sealed boxes that I had built early, directly mounting the drivers into the boxes while the Duratex was not 100% cured. was going to play around with different amounts of poly fill. They didn't even budge, so I stopped while I was ahead.  |
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jonfo
New Member
Posts: 34
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Post by jonfo on Mar 2, 2019 10:06:03 GMT -7
Just a quick comment that this driver is pretty amazing. I use one in a 9 CuFt. sealed box, driven by a Crown XLS 2500 (2,400 watts) as a way to smooth out room modes to the IB I have at the front center of the room. The sealed 18 is at the rear center, and when delay and EQ are applied, it blends very nicely with the IB.
I still dream of buying two of these and replacing the sealed box with another 'outie' IB at the rear, as it would share the same crawlspace under the home theater with the front IB (a 4x15" outie manifold). The symmetry of front + rear IB's would be nice. But it all works so well now, I'm happy.
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