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SI BM MKIII 12" SPL Fun !


sundownz

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that truck box makes me lulz haha..did u design the magic box like that or did you half the box?

Not sure I understand the question about "halfing" the magic box ?

The ghetto truck box is full of LoLz... it leaks air pretty bad too *laughs*

- Jacob Fuller

- Owner, Sundown Audio

- Sundown Audio on FACEBOOK

- Please DO NOT PM ME -- use my email address -- [email protected]

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Not sure I understand the question about "halfing" the magic box ?

The ghetto truck box is full of LoLz... it leaks air pretty bad too *laughs*

when u gonna build the new box for the si bm mkiii..

like this pic..if i were to half this box it would look like the magic box :)

IMG_1031.jpg

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First we made a REALLY small ported box... but the tuning was too high and extended the port messed up the phase relationship...

CIMG3488.JPG

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Not much better than the single woofer at it's best so we quit on this box.

So... we modified one of my dual 8" woofer boxes to hold two 12s -- about 75% larger than the first :

CIMG3497.JPG

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I forgot to take pictures yesterday... the port did have a flare on the end. MUCH shorter port.

This is what we got :

CIMG3496.JPG

- Jacob Fuller

- Owner, Sundown Audio

- Sundown Audio on FACEBOOK

- Please DO NOT PM ME -- use my email address -- [email protected]

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  • 3 years later...

back from the dead... discussion about the mkiv came up and did a search and this came up... ever reach that 150??

We broke 148 with two last night... will post pictures later whenever I go back to the shop.

Will keep working on the 150.

Pioneer Premier P880PRS ll Front Stage: US Acoustics 4060 - Random speakers currently ll Sub Stage: Crescendo BC3500D - 15" Xcon sealed @ 3.28 cubes ll Electrical: - Kinetik HC1800(front) NEW***DieHard P-2(rear)

beaker- I know this sounds like a lot of anime bullshit, but it is true.

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