New IST (Mach 5) 32" sub thread - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 585 Old 12-12-2015, 03:06 PM - Thread Starter
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New IST (Mach 5) 32" sub thread

So I got a chance to check out the 32" sub today. Mark was going over what he though people would want to see as features in this driver. I can say I was 100% surprised how rigid the cone was, it's heavy and really solid, no worry's about flexing here. The basket is modular, then assembled on site. Single or dual spider, depending on how high end Mark decided to build it and how he decides he wants it to perform.

The thread is to gauge some ideas on what anyone that may purchase it would like to see. We talked about Neo magnets, copper sleved motor, 6" VC etc. The surround is capable of some serious xmax, depending on how it's built, expect over 25mm with more available depending on the build. This is shaping up to be a outright monster.

So the question is, what are you guys wanting it to do? price point (be realistic, not 500$ lol) features, weight etc.... all that stuff. It could be built with traditional magnets, though the sub would be close to 150 lbs..... There will also be a 24" in the works likely using the same motor, or a close version of it.

Thats a 12", 15", 18", 21" and the 32" lol Thats the spider in the UXL and in the FTW LOL

Thoughts?








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Last edited by N8DOGG; 12-12-2015 at 03:12 PM.
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post #2 of 585 Old 12-12-2015, 03:40 PM
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Oh my!! What material is the cone?
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post #3 of 585 Old 12-12-2015, 03:43 PM - Thread Starter
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Its some sort of fiber weave. It's strong as hell!!!
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post #4 of 585 Old 12-12-2015, 03:46 PM
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Wow that sub is huge! The price I hope to be under 1k for the 32". But if the price point can be lowered around 800$ I think there would be a lot of these moving into guys HT rooms.
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post #5 of 585 Old 12-12-2015, 03:52 PM - Thread Starter
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Quote:
Originally Posted by eng-399 View Post
Wow that sub is huge! The price I hope to be under 1k for the 32". But if the price point can be lowered around 800$ I think there would be a lot of these moving into guys HT rooms.
Ya, that's not going to happen lol.

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post #6 of 585 Old 12-12-2015, 03:56 PM
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You need to put a Parthenon motor on this thing.

Got XMAX?

The motor should be shipped separately like the LMS.

If the subwoofer is that big, I'd hate to see how big the shipping box would need to be. 36x36x36 and 150lbs LOL!

Much easier to do two boxes:
33x33x10 and 10lbs
15x15x15 and 140lbs.
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post #7 of 585 Old 12-12-2015, 04:00 PM - Thread Starter
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Quote:
Originally Posted by BassThatHz View Post
You need to put a Parthenon motor on this thing.

Got XMAX?
https://www.youtube.com/watch?v=OBN33UVQWSo

The motor should be shipped separately like the LMS.

If the subwoofer is that big, I'd hate to see how big the shipping box would need to be. 36x36x36 and 150lbs LOL!

Much easier to do two boxes:
33x33x10 and 10lbs
15x15x15 and 140lbs.
If it ends up being a neo motor, won't really matter. It wouldn't add much to the size of the box.

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post #8 of 585 Old 12-12-2015, 04:01 PM
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That 32 is CRAZY!
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post #9 of 585 Old 12-12-2015, 04:04 PM
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post #10 of 585 Old 12-12-2015, 04:08 PM - Thread Starter
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Originally Posted by mlah384 View Post
Sealed I assume? How big of a box? Ported would be an extra bedroom!
sealed with the neo motor should be well under 10CF

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post #11 of 585 Old 12-12-2015, 04:16 PM
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The size of the 32" driver alone is going to limit how many someone can fit in their HT, or even better, where the heck they'll put them.

If it's going to require massive 15-25cu.ft boxes for sealed operation, that's only going to limit it even more.

I'm REALLY hoping this thing doesn't have a weak sauce motor!!

Sure, you can always use a LT to boost the low end if it's in a smaller box, but that's also harder on it thermally.
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post #12 of 585 Old 12-12-2015, 04:18 PM
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post #13 of 585 Old 12-12-2015, 04:26 PM - Thread Starter
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Quote:
Originally Posted by lukeamdman View Post
The size of the 32" driver alone is going to limit how many someone can fit in their HT, or even better, where the heck they'll put them.

If it's going to require massive 15-25cu.ft boxes for sealed operation, that's only going to limit it even more.

I'm REALLY hoping this thing doesn't have a weak sauce motor!!

Sure, you can always use a LT to boost the low end if it's in a smaller box, but that's also harder on it thermally.
It won't. We had discussed box Size issues. My thinking is it has to work in something 10CF and under. Mark was thinking the same thing. Although neo magnets will add some to the cost, they will cut the box size in half vs traditional magnets.

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post #14 of 585 Old 12-12-2015, 04:28 PM
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Quote:
Originally Posted by N8DOGG View Post
It won't. We had discussed box Size issues. My thinking is it has to work in something 10CF and under. Mark was thinking the same thing. Although neo magnets will add some to the cost, they will cut the box size in half vs traditional magnets.
10cu.ft would be great!!

Anyway to keep this thing under $2k if you use a neo motor?
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post #15 of 585 Old 12-12-2015, 04:31 PM - Thread Starter
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Quote:
Originally Posted by lukeamdman View Post
10cu.ft would be great!!

Anyway to keep this thing under $2k if you use a neo motor?

I don't know. He will have to decide what he's gonna build, then try and see what he can do.
When he said neo, I was handing him my money lol

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post #16 of 585 Old 12-12-2015, 04:41 PM
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Wow, and I thought my wife was special for being OK with me building an 18" sub. I think I'd be handed divorce papers if I brought that thing into the house. Grats on anyone who can pull that off with their significant other.
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post #17 of 585 Old 12-12-2015, 04:56 PM
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Wow, and I thought my wife was special for being OK with me building an 18" sub. I think I'd be handed divorce papers if I brought that thing into the house. Grats on anyone who can pull that off with their significant other.
I've already begun the pitch, Let the buttering of the wives begin..LOL
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post #18 of 585 Old 12-12-2015, 05:05 PM - Thread Starter
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I came home and mine just looked at me and asked how many am I getting.... Then shook her head and laughed lol

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post #19 of 585 Old 12-12-2015, 05:14 PM
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DVC??

With a 6" vc I guess you dont have to worry about thermal. Works in 10cuft would also help. Le of 2.5mH on 4ohms or lower...

Last edited by chrapladm; 12-12-2015 at 05:23 PM.
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post #20 of 585 Old 12-12-2015, 05:36 PM
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Wow...Marty McFly would be impressed. That would break every window in my house and vibrate the drywall off the studs.
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post #21 of 585 Old 12-12-2015, 05:39 PM
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Need to start designing my sealed box now. Want. Forget that, NEED.
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post #22 of 585 Old 12-12-2015, 05:54 PM
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I am now thinking ....evil thoughts...
Need ...real long throw.
Off to estimate the volume of my attic.
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Working on the next one...
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post #23 of 585 Old 12-12-2015, 05:59 PM
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post #24 of 585 Old 12-12-2015, 06:16 PM
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IMO, what matters is for the motor to be strong enough to perform comparably to a few of his own 18s in reasonable box/power comparisons.
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post #25 of 585 Old 12-12-2015, 06:23 PM
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IMO, what matters is for the motor to be strong enough to perform comparably to a few of his own 18s in reasonable box/power comparisons.
Agreed. That is the end plan. We'll see what happens.
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You guys are crazy....
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post #26 of 585 Old 12-12-2015, 06:24 PM
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Agreed. That is the end plan. We'll see what happens.

I would triple-like this if I could.
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post #27 of 585 Old 12-12-2015, 06:36 PM
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the motor (and power handling of the coil) that would be required for a driver of that size (about 3.5x the sd of an 18") to work well in a 10 cubic foot cab would be...as commensurately large as the cone.

Listen. It's All Good.
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post #28 of 585 Old 12-12-2015, 06:42 PM
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the motor (and power handling of the coil) that would be required for a driver of that size (about 3.5x the sd of an 18") to work well in a 10 cubic foot cab would be...as commensurately large as the cone.
Haha! Bro, put the calculator away for awhile..

The initial sims are interesting. We'll see what we can make happen in the real world.
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You guys are crazy....
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post #29 of 585 Old 12-12-2015, 06:51 PM
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So do ya think there'll be a flat pack for this ?? LOL..
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post #30 of 585 Old 12-12-2015, 07:14 PM
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So do ya think there'll be a flat pack for this ?? LOL..
3 cubes right?
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You guys are crazy....
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