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[Walt de Jong]

Hello Leon,

If you go from 4 to 8 cabs or from 6 tot 12 cabs this gives you 6dB more output. You get 3dB from the extra power and 3dB from the coupling of the cabinets.

Putting 4 drivers in a single LAB-horn only gets you 3dB. I think a better alternative would be to develop a new stronger driver for the LAB-horn (with same T/S) but with even more x-max and of course more powerhandling. Such a thing can be done but will be very expensive. The LAB as it is, is fairly optimal. I would not change to much of it.

Best regards,

Walt

[Johan Rademakers]

I was assuming you let the horn parameters define the cabinet size, not the other way around. You want the throat area to double to keep the compression ratio the same. Unless you're certain a higher compression ratio won't damage the drivers on the long term.

Not only will two Labsubs give 3 dB more output with the same power, it will double the mouth area as well making the sub more efficient at low frequencies.

With kind regards Johan

[Ivan Beaver]

So what would you haul around 4-6 (per side) lab subs?  Not a van or a 5x8 trailer.  If you have a rig that size you are going to be using a truck.  A truck does not have to be a tractor trailer type rig.  Even a 14' truck has to be packed right, and having cabinets that fit those dimensions easily without wasted space is a big advantage.

You also have to consider the weight of the cabinets when moving them around.  There have been numerous products that have failed in the audio industry, not because of their performance, but because of their size and the ability to move them around.