My first post in this thread, which I have read all the way through (phew!). I currently have two Submersive F2s sitting in a UK Customs shed at the airport waiting 'clearance'. They've been there since last Thursday. As you can imagine, my excitement and frustration are in perfect balance right now As soon as they arrive and have been integrated into my system I will post my impressions here (along with any questions I have of course). I also have the OmniMic so I will be able to make and post some measurements once I am dialed in properly.
Other gear is Onkyo 5509 prepro, MK S150s, M&K SS150 Tripoles, M&K LCR 55 (height channels), and plenty of external amp power from Emotiva XPA-3 for LCR and 2 x UPA-2 for surround and heights. My old subs are 2 x SVS PC12-NSDs so I am going to get a significant upgrade in performance from the F2s. Why the F2? For the smaller footprint - my HT room is *small* - smaller even than Mike Duke's (thanks Mike for all your encouragement and advice to others in this thread) so floor space is at a premium. I also 'only' have the 1000 watt amps as UK voltage is 230-240v, but in my room I don't expect to have headroom issues with two F2s Oh yes, I have also extensively treated the room with bass traps in 8 of the 12 corners.
I'll report back when I have some positive news... Customs-willing.
Congrats !!!!!! I would like to see a pic of the look on your face once you hear them.
That would be a first.