Exodus Audio Maelstrom-X Pre-Order Thread - Page 7 - AVS Forum
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post #181 of 480 Old 06-09-2008, 05:41 PM
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Here are some more...

The small driver is our EX-6.5 midwoofer (6.5" driver) for scale. It doesn't even reach the basket.



Motor up....



And a sideshot with the CD.


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post #182 of 480 Old 06-09-2008, 05:48 PM
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Simple yet effective. I like.

Ask yourself mortal , do you have as much displacement as me ? The answer is no unless you have a Windmere fan sub.
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post #183 of 480 Old 06-09-2008, 05:56 PM
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God, I don't think I truly realize how big this will be.

Kevin - I read that you're already testing for the T/S parameters. When will you release the newer parameters?
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post #184 of 480 Old 06-09-2008, 06:18 PM
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Quote:
Originally Posted by TheEAR View Post

Simple yet effective. I like.

The Shiva-X, Tempest-X, and Maelstrom-X all will represent our value series. The concept is that they should be about understated looks, yet great performance for the buck. That is what the original Shiva & Tempest where all about and that is what I'm going to continue with those products.

The Sicko will spawn some products that are more expensive, with some performance features we could only do with new tooling (and more money) The Maelstrom is a beast though and will probably represent the best bang for the buck in the product line, assuming the form-factor fits your install.

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post #185 of 480 Old 06-09-2008, 06:21 PM
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Quote:
Originally Posted by Willd View Post

God, I don't think I truly realize how big this will be.

Kevin - I read that you're already testing for the T/S parameters. When will you release the newer parameters?

Probably tomorrow, I want to get a sample of four drivers. The first one I measured came out with the BL a little lower, and the mms a little lower. The result in the finished enclosures was a wash. It models exactly like the pre-production parameters.

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post #186 of 480 Old 06-09-2008, 06:44 PM
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Quote:
Originally Posted by Kevin Haskins View Post

Probably tomorrow, I want to get a sample of four drivers. The first one I measured came out with the BL a little lower, and the mms a little lower. The result in the finished enclosures was a wash. It models exactly like the pre-production parameters.

Will it model well in a 7.5 cu ft sealed enclosure with 2000w~? Or would I absolutely need PRs?

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post #187 of 480 Old 06-09-2008, 08:41 PM
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Quote:
Originally Posted by Kevin Haskins View Post

With a little Epoxy I think it would make a good coax. What do you guys think?


I think you really shouldn't make it a Cabasse-style triax with a coincident or concentric tweeter in place of that phase plug.

Why not?

I don't want to spend any more money!!!

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post #188 of 480 Old 06-10-2008, 03:13 PM
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Quote:
Originally Posted by Willd View Post

God, I don't think I truly realize how big this will be.

Kevin - I read that you're already testing for the T/S parameters. When will you release the newer parameters?

Production parameters are on the site.

http://www.diycable.com/main/product...roducts_id=681

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post #189 of 480 Old 06-10-2008, 03:14 PM
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Quote:
Originally Posted by Spezzy View Post

Will it model well in a 7.5 cu ft sealed enclosure with 2000w~? Or would I absolutely need PRs?

It works fine in 7.5 ft^3 sealed. That is plenty of power too. The PRs will buy you some extension downward, and more output (down lower at least).

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post #190 of 480 Old 06-10-2008, 03:19 PM
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Much obliged.

Starting to think my 300liter net ported idea is a bit small...certainly not ideal...
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post #191 of 480 Old 06-10-2008, 03:35 PM
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Originally Posted by Kevin Haskins View Post

Production parameters are on the site.

http://www.diycable.com/main/product...roducts_id=681

Hmm, too bad that they went that way. 0.707 Qtc sealed wants now ~60% larger enclosure than before.

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post #192 of 480 Old 06-10-2008, 03:40 PM
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Hmm, too bad that they went that way. 0.707 Qtc sealed wants now ~60% larger enclosure than before.

Yes, noticed that. Before, looked like 125liters or so was kosher. Now, 200liter+.
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post #193 of 480 Old 06-10-2008, 03:41 PM
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Wow...bit of a jump from the pre-ordered specs.

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post #194 of 480 Old 06-10-2008, 04:01 PM
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Not surprised at all. All the drivers from the 'X' series want really big boxes. Brahma-like almost.

The Maelstrom driver sure is pretty though.

My Dual 18" LLT subs 120dB down to 10hz

 

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post #195 of 480 Old 06-10-2008, 04:27 PM
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Doesn't really effect anyone looking to LT, anyway, in WinISD Pro the excursion curves are pretty close for a given box/input.

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post #196 of 480 Old 06-10-2008, 04:32 PM
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Quote:


Not surprised at all. All the drivers from the 'X' series want really big boxes. Brahma-like almost.

The Maelstrom driver sure is pretty though.

Actually it is a big surprise, the fact that the other drivers in the X series needed big boxes really doesn't mean a thing, you are used to manufacturers who use the same motor platform for all the drivers in the same series. The Maelstrom is a whole different ball game, larger motor, much stronger, longer stroke, ect, if you were to make a Maelstrom off of the same platform as the tempest, it would cost about $200, but would have enormous enclosure requirements.
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post #197 of 480 Old 06-10-2008, 04:38 PM
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This driver is now very similar to the RL-p18, a little less exciting, but still a good value, the xmax is sweet, but I don't know if it has the pmax to handle it.

Once again, the market is ripe for an uber 18 with 30+mm xmax and SMALL box requirements, it'd be nice to get LMS size boxes, 3-4.5cubes yielding good sealed performance.
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post #198 of 480 Old 06-10-2008, 04:39 PM
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Quote:
Originally Posted by Ilkka Rissanen View Post

Hmm, too bad that they went that way. 0.707 Qtc sealed wants now ~60% larger enclosure than before.

Illka,
just what I was thinking.

the olny thing looking like it's gonna hit QTC .577 in a small box is that 21" B&C, but it's $$$ & excursion handicapped.

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post #199 of 480 Old 06-10-2008, 04:45 PM
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I have one question, where'd the BL go?
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post #200 of 480 Old 06-11-2008, 10:11 AM
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Quote:
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I have one question, where'd the BL go?

Into that huge box it needs...


My Dual 18" LLT subs 120dB down to 10hz

 

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post #201 of 480 Old 06-11-2008, 11:32 AM
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Doesn't look bad to me. I don't consider 7ft sealed very big for an 18 and it actually seems to model better for low tuned vented apps now.

If you have to have an 18 with 30mm xmax and small box requirements look into the Treo SSi 18.22. I tried to tell everyone about them long ago. There's also the Treo SSX 18. It likes a bit bigger box, 5ft sealed, but it has a 4" coil. It's more expensive though.
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post #202 of 480 Old 06-11-2008, 12:08 PM
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Its big when you consider just a few days ago, it wanted 4 cubes sealed. We had some treo talk on here a few times, they seem like good subs, however, the lack of a online availability the small dealer network and the high cost have put them out of the game for many of us, kind, similar to RE Audio and Audiopulse, (although AudioPulse is still available through PE).

Ultimately, the driver seemed to want larger boxes due to its lower power handling though, with the old specs, I would have wanted to dump 2-3kw into it in these small boxes. With the larger boxes, I feel ok just powering it with 1-2kw. I think we need a 4" VC driver with ~35mm xmax, ~50mm xmech with a solid 3kw power handing priced at about $650 with small box demands, similar to the Acoupower 18, but with a lower qts and fs and not quite as insane of power handling or tooled parts. Kevin wouldn't have too big of a problem doing this, the Maelstrom needs added mass anyway to meet spec, if he just upped the vc size and used a similar style motor, he could easily accomplish this. The issue would become finding a basket that would work with it, 10" spiders would be needed, as well as nearly 4" of total clearance. I suppose if he charged $300 more than the Maelstrom, it might be possible.
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post #203 of 480 Old 06-11-2008, 05:10 PM - Thread Starter
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So is 8 cubic feet with 2 PR's still look good?

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post #204 of 480 Old 06-12-2008, 07:54 AM
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So is 8 cubic feet with 2 PR's still look good?

I am curious about this as well
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post #205 of 480 Old 06-12-2008, 09:01 AM
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You guys are making a mountain out of a mole hill.

I don't have time to do all the simulations and go through the hoopla to post them all today but there is very little difference in the real-life performance from the pre-production parameters to the production ones. The driver is still 100% suitable for all the applications we designed it around. If it wasn't, I wouldn't be selling it.

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post #206 of 480 Old 06-12-2008, 09:02 AM
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So is 8 cubic feet with 2 PR's still look good?

It all depends on what tuning you want.

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post #207 of 480 Old 06-12-2008, 09:17 AM
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It would be easier to simulate PR boxes if we knew the designed PR driver parameters. But for now, you can simulate the boxes by using creative sound solution PR drivers. At least you can have some idea how will it perform.
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post #208 of 480 Old 06-12-2008, 10:33 AM
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Some people need to start using a simple program like WinISD and model subs.

"How will X do with two Y passive radiators? " Well DUH ...enter basic data in WinISD and VOILA.

Ask yourself mortal , do you have as much displacement as me ? The answer is no unless you have a Windmere fan sub.
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post #209 of 480 Old 06-12-2008, 11:09 AM
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Quote:
Originally Posted by Kevin Haskins View Post

You guys are making a mountain out of a mole hill.

I don't have time to do all the simulations and go through the hoopla to post them all today but there is very little difference in the real-life performance from the pre-production parameters to the production ones. The driver is still 100% suitable for all the applications we designed it around. If it wasn't, I wouldn't be selling it.

If you are an Ant. Mole hills can be quite mountainous. And real mountains can be impossible to fathom.

Did a quick check on the numbers and even though it wants a bigger box. The production driver looks to perform better in the smaller box then the original specs. They graph almost identical (within 1db from 10hz to 200hz) with the new parameters performing slightly better in identical 4 ft2 boxes from 20hz to 80hz.
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post #210 of 480 Old 06-12-2008, 11:39 AM
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Quote:
Originally Posted by Krawdad View Post

If you are an Ant. Mole hills can be quite mountainous. And real mountains can be impossible to fathom.

But for a krawdad, a mole hill is nothing too difficult.

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