It's not as difficult as it sounds. It took about an hour's time and the BFD was under $100. The Velodyne is a proven brand and you should be more than happy with your choice. I like the internet direct brands because of the service before and after the sale. In a lot of cases, you can...
Back to your question. The Hsu should work great. As long as the amp isn't in max output mode and the ports are in maximum extension mode, you will be fine. That combination is disaster waiting to happen. Without the subsonic filter set correctly, the driver will bottom when watching movies...
I wanted both accuracy as well as the ability to dig deep during action movies. I use dual 15" TC-3000 http://web.archive.org/web/20070207070153/www.tcsounds.com/tc3000.htm . These were mainly marketed to the car audio crew but they work fine in a home theater. I power them with a pro amp...
The Hsu has dual settings. Plug one port and flip a switch for maximum extension - 25hz Fb. Leave both ports open and flip the switch the other way for a higher tuning - 32hz Fb. Really, all that does is give you a peak in the frequency response around tuning. Some people like that. I want...