XBL 6" Woofer

Diysound group is now selling a 6" XBL woofer. (OK, they call it a 5.5", but it measures 6" lol)

There's no published specs so I thought I'd measure mine.

Please take these with a grain of salt, because:

1) They're not broken in

2) Whenever I measure a woofer with DATS, the QTS tends to come out high. Based on discussions I've had on here, that's because the DATS voltage is low.

But anyways, something is better than nothing, so here's what I measured:

fs = 54
qes = 0.53
qms = 4.4
sd = 97
vas = 7.93
qts = .473
re = 4.0

This could be an interesting car audio sub. I'd argue that most people buying car audio subs in the neighborhood of $55 are going to buy a cheap 10" or 12" woofer and stick it in a sealed box. Subs at that price point will usually have about 4-8mm of xmax. This woofer, with 9mm of xmax, can *almost* keep up with a cheap ten, but it can do it in a much smaller box.

Plus, XBL woofers just sound really clean.

anarchy_558.jpg


Buy it here: Anarchy 5.5 inch 4 ohm woofer by Denovo Audio
 
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HiFiCircuit

The forum is still there, I think it's just missing a link since the diysoundgroup website was redone. There's a lot of stuff that's not up on the new website yet. Maybe the forum will continue, maybe it won't, but it hasn't been all that active recently.

There's only a small handful of designers that put together the HT series (Bill Waslo, Ryan Bouma, Matt Grant) and these guys have all proven themselves to be competent so when a new design from these guys comes out it's not questioned.

I just bought an LCR set of these for $600 ($200 each CDN cash) done in quality plywwod and duratex finish from a local hobbyist that wanted to move on to bigger and better. They are very very good for the money. Newer kits might not have this much value though.

Celestion 15" buyout and SEOS12/DNA360 | HiFiCircuit
 
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I built a single fold tapped quarter wave pipe with 2- 6.5" MCM woofers, $7.00 each for my car. It sounds better and gets as loud as the single 12"DVC ported sub it replaced. If these will work in that box, I will gain way more X-max. Gonna look into these.
 
They used to have product details and related discussion in a forum. Apparently now people just buy whatever they make.

The discussion is in the DIY side of the AVS forum concerning their designs. The driver you are talking about just came out so not in anyone's dirty little hands yet to start a discussion. Give it some time, I'm sure the drivers will be dealt with in the traditional DIY'er way... beat them as hard as possible, measure them in every way you can and go to the molecular level per tradition.

I'm looking at the 1099 horizontal speaker and it has over 3,900 posts discussing that design. 😱 That is on the AVS side though, more information than even I wanted to know. Then throw in comparisons between it and other manufacturers, other DIY designs and pages of readings and you had better stock up on the popcorn.

The forum is quiet, not much action at all but Erich has moved everything to a new site and it is still under construction. Figure in a few months when everything settles, it will probably kick up again but for now, it is the last priority until the new site and new speaker series come online. For me, I'm interested in how they were able to get a dome tweeter to crossover at 1,300Hz in the new Cobalt series--that should be interesting. There are also rumblings about building a new SEOS type horn specifically for a 2-way MTM center channel--I'd like to know what the secret sauce contains.

A bunch of guys with REW will find out, that is a given. For me, I like the XBL 2 motor design, good to see them take the wheel and spend the bucks to make different sizes.
 
Vance Dickason Klippel'd the Exodus Anarchy woofer:

20161107135750_Figure7-Exodus-Audio-W06-017R.jpg


Klippel results indicate that it's within 5% of the published spec.

That test is on the original (larger) driver, but the new one isn't a whole lot smaller. About 15%.

I bought them because there really aren't a whole lot of drivers that deliver this much output, for so little money, in such a small box. The Dayton reference drivers have less xmas, but similar cost. The car audio world offers a ton of small drivers with gobs and gobs of xmax, but they're all quite pricey. For instance, the Sundown 6.5" subwoofer costs 3X as much and has 50% more xmax. The main issue for me is that the driver is physically so large, it's 7" in diameter and 5" deep.

http://www.emfcaraudio.com/sundown-audio-x6-5sw-v2/
 
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