I'd second or third the suggestion of an SVS SB13 Ultra. And this is coming from an owner of a pair of HSU ULS-15s. The SVS sealed subs have the right combination of sound quality, impact, and price. Very musical subs. Alternatively, if you're into used equipment, the SVS SB12+ would be a great buy if you can find one willing to part with it.
subwoofer suggestions
Looking for sub with balance between tuneful bass for music and deep bass for movies to be 0.1 part of Monitor Audio Apex 5.1 speaker system. Front speakers go down into low 50Hz while rears go down to mid 60s. Room is 8' high x 18' wide x 12' deep, is reasonably well treated, but size will limit the longest waves. While there is no point in overloading room with a giant box and driver, pressure and speed with good tone are all desirable assets. Upper budget is about $1500, but I will consider more budget conscious options.
Thanks in advance for your suggestions,
kn
Thanks in advance for your suggestions,
kn