Question about space & sub mounting (pic inside)

[oxsign 5,000+ posts]

When mounting subs like this, can you make the enclosure smaller than recommended? For instance, if the subs call for 1.5 cubes each ported can you get away with making the box 2-2.5 for both? What are the (dis)advantages to mounting subs like this? Or are there any?

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[galacticmonkey 5,000+ posts]

You only have the output of a single sub, but it takes 1/2 the space of a normal box for a single speaker.

 

[oxsign 5,000+ posts]

You only have the output of a single sub, but it takes 1/2 the space of a normal box for a single speaker.

So there's no real advantage to this then? I would be better off just running 1 sub vs 2?

 

[andrewmoore13 10+ year member]

is that a pic of two subs facing one another?

 

[oxsign 5,000+ posts]

is that a pic of two subs facing one another?

Yup

 

[energizedsbs 10+ year member]

the box would be .75 for both subs

 

[oxsign 5,000+ posts]

the box would be .75 for both subs

That's what I'm trying to figure out. How does the inverted sub come into play to calculate airspace in the box for it? If it's not "in" the box? How will the smaller (or larger for the single sub in the box) affect things? I'm just trying to figure how how this setup works. I've seen it used a couple of times, and I was just curious about it.