Hi,
I have an ATC PA75-314 Castle, it was a custom model for a Castle Acoustics subwoofer, it had a mis-aligned coil and has been re-coned by ATC in the past year.

Castle / ATC Subwoofer by Robert Seymour, on Flickr
Its in a ~35 Litre sealed cabinet, so I assume a big dose of EQ built into the plate amp. We are moving house, with a larger room, around 16ft square I was thinking of improving the sub from the basic sealed cabinet to maybe something built to go in the corner of the room.
With the specs below (direct measurement of the driver), with such a low Qts, could a horn/tapped horn be a good option?
I have an ATC PA75-314 Castle, it was a custom model for a Castle Acoustics subwoofer, it had a mis-aligned coil and has been re-coned by ATC in the past year.

Castle / ATC Subwoofer by Robert Seymour, on Flickr
Its in a ~35 Litre sealed cabinet, so I assume a big dose of EQ built into the plate amp. We are moving house, with a larger room, around 16ft square I was thinking of improving the sub from the basic sealed cabinet to maybe something built to go in the corner of the room.
With the specs below (direct measurement of the driver), with such a low Qts, could a horn/tapped horn be a good option?