I know I'm super late to the party, but I have a platform 1 in my HT with a CF DC. It's in 3.5 to 22 300 watt plate and well It shakes the whole house..... and neighborhood. Sounds great and is a good fit for this application.
Bought from - Hazardous0388 (4 db Drive 2000.1s), Psychoacoustics (4 Powerbass XA 3000'ds), and blackedoutavy (PPI A200)
Sold to - D-Rew (Knu 1/0), d77543020 (Knu 1/0), F1McLarenAGR (Audioque 4x90), and SacTownBully84 (Knu 1/0)
Traded with - SacTownBully84 (my xa3kd for his xa1.5kd + cash)