What do you mean the cone is lost due to the vc? The only real drawback is the 4" coil takes up alot of the spider and can reduce xmax. But the end result you can have a nice 12" sub with 4" coil and 8" spider.
Why would you need a 4" coil?
If your looking for a massive power sub why not look into a custom coil, usually they can build something beefy to take more power while still being a 3" coil
rd d9 @ .5ohm
2 sa Zv1's 5.8cf tuned to 48 or 32 with port plugs
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