Car Audio Central - Ultimate Car Audio Forum and Community

Indeed. All the way back to the triple OG Western Electric 728B and 755A.

just for the record, replaceable coils aren't something new. I had soft dome peerless tweeters in the Festiva in the 80s (Orion XTR1) with replaceable voice coils :)
the housing snapped together, you could remove the magnet, and the coil and dome were formed together and replaceable.

It's in the CA&E May '05 Issue. It's not a "review" per se. But rather an article on "Premium Subs with User Replaceable Parts." It breaks down the technical aspects of the Boston, PG Ti Elite, and the Lightning Storm x2. It's the issue with the Alpine X3 demo on the cover. Good issue all in all, actually.
I wasn't serious about arguing the specs. Just joshing with Jonathan a bit :)

*edit* X5 on the cover

would you mind posting the review or a link to it?

Yop. It's called a "Revolution." The SPl part comes by way of the replaceable VC. Again, like a 10" cut in half and then pulled apart. It's actually labled as a 12" sub, but has a surface area of 12.5"
4" of usable stroke and an 800w rms. msrp of 1g.

Found the review :happy055:

That Boston sub is actually 13" x 9". Designed where you can get more subs side by side for SPL-esque installs. Not my cup of tea.

Methinks someone is having too much fun with Photoshop.

Nope, these pics are from the CES2006 http://www.realmofexcursion.com, is were I got the pics from.

Heres one more pic of the first one. It might not be the same thing. It was just right after the pic of the huge surround, and I just assumed that was the back of it.

Are you sure those first two pictures are the same product?
Earthquake has a flat-piston sub with a super-shallow mounting depth - I used to sell them! (they came pre-loaded in certain space-constrained Pro Box enclosures).
IT had a very rigid, somewhat interestingly shaped plastic piston, with a traditional surround.

If you told me the top picture was Earthquake's new passive radiator - with a heavy small disc at the center- I wouldn't be nearly as surprised.
IF that's a sub, I can't even imagine a benefit.

Methinks someone is having too much fun with Photoshop.

Same with that Boston sub...
...it's not a 6x9, I don't believe. I thought they were making full-size (ie. 12" ) subs that way now, to try to capture some of the "round subs aren't cool" bandwagon that Kicker started with the L7's... since Kicker patented the surround on squares, you've got to do something, to make subs that stack right tight next to one another, right?

But the quint-stack of magnets screams photoshop to me too.

I think that sub is more of a flat piston design from the look of it, which would use the whole surface of the sub to move air pretty much.
probably not really high output but it'd work well in spots like a single cab S-10

only pic worth a crap to me is the be x-over, rest is...well...wacky might be a good word