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Lord Baccus

now thats Customer Service

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I see nothing.

Motor strength has nothing to do with the number of slugs.

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Keep watching :)

its going to be a Beast of a sub

I'd like to see some more pics, is that a two-piece back plate / pole assembly ? How many cross drilled holes ? Any idea on the final BL^2 / Re of the design ?

PS: Just curious about the design, information is just to satisfy my curiosity. I have been considering doing some more custom work in the future, find it pretty cool.

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Keep watching :)

its going to be a Beast of a sub

I'd like to see some more pics, is that a two-piece back plate / pole assembly ? How many cross drilled holes ? Any idea on the final BL^2 / Re of the design ?

PS: Just curious about the design, information is just to satisfy my curiosity. I have been considering doing some more custom work in the future, find it pretty cool.

they posted more pics :)

a lot more :slayer:

ill find out the details from John @ Pap :domoslay:

there making this sub for me too take the Abuse of the SD SAZ 3000d's

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Keep watching :)

its going to be a Beast of a sub

I'd like to see some more pics, is that a two-piece back plate / pole assembly ? How many cross drilled holes ? Any idea on the final BL^2 / Re of the design ?

PS: Just curious about the design, information is just to satisfy my curiosity. I have been considering doing some more custom work in the future, find it pretty cool.

john responded i copied it :

The idea is the more venting the better! Radial venting drilled into the pole circumference blows cold air directly onto the sides of the voice coil former. The air is taken in through the center pole vent and out the radial vents. Venting the pole to a subwoofer is a give take scenario. When a vent is machined down the center of the pole piece it takes some of the metal mass that is coming through the front plate and creating the magnetic field in the motors gap. In order to take the power that LB will be running to this single sub we felt that extra venting definitely wouldn't hurt!

We laminated a two layer dust cover together for the MOAB.

im sure if you logged in and asked him hed be happy to answer your questions there great people :slayer:

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Wow that looks positively massive!

Besides these guys, does anyone else do a 4" VC in car audio?

(I noticed they and Sundown must share the same amp design for the SAE-1000D and their PAP1000.1)

Edited by creyc

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Besides these guys, does anyone else do a 4" VC in car audio?

A lot of larger Selenium, JBL, B&C woofers use a 4" VC, but they require very different enclosures than what most "car" woofers are optimized for.

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I think for your application, a focus on drawing air in from above the top plate while keeping as much BL as possible (ie. no pole vent) might have been better. At least that is the general opinion of Dr. Klippel and a few others. But I shouldn't say anything since it could be exactly what they were looking for.

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There are quite a few companies that use a 4" VC in car audio...mostly for SPL competition. The net result is typically higher packing density in the gap and more BL; usually the power handling is improved as well, but not always.

Lots of different VC OD's used.

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Wow DD i learn something new everytime you post :domoslay:

i did not know that... for real :)

how did you learn so mush about speakers ?

im just now figuring out how to use the T/s of a sub to match it up with a box...

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how much did u pay for that?

I cant reveal that as i am Sponsored...

But i can tell you that Pap

Pound for Pound

Watt for watt

Dollar for Dollar

is one of the best sub Co. out there

not to mention they are Great People.

i called this idea for this sub a week ago and its SHIPPED / on its way to me as i type

this responce...

no waiting for back logg and other excuses...

they just "Get Er Done"

Side by side with a standard 15"

MOAB_053.jpg

2x laminated dust cover

MOAB_055.jpg

Motor

MOAB_056.jpg

4x spiders and t-leads

MOAB_039.jpg

Edited by Lord Baccus

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its on its way to my office as i speek should be here by Monday ? :)

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holy xenu

thats crazy

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MOAB_055.jpg

Does it mean "Mother of all Bass"? If not, needs to be

holy xenu

thats crazy

Yes it does :slayer:

Yes it is :domoslay:

i am the Anti-Sq... Insanity

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looks like alot of moving mass

the cone is a special Honeycomb / resin composite w/ Kevlar coating, makes it liter & stiffer than a pule cone !

not meant for musical reproduction but well suited for SPL.

they have a new sub for 08' it's a woven carbon fiber w/ pulp backing...

you should have a look

http://pierceaudioproducts.com/forum/index.php?topic=345.0

the sub shown in the pics is a 1 off made for me :slayer:

not a production line sub :domoslay:

Edited by Lord Baccus

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