Downsizing to monitors (monitor audio silver 3's) for a while, with a buget of $500 (used) any recommendations on a small sub no larger than 10" driver.
Given your budget, you may want to consider the Outlaw Audio subwoofers, which were designed for them by Hsu. They have gotten good reviews, and offer a lot of performance for the money. Click on the following link to Outlaw to learn more: http://www.outlawaudio.com/products/lfm1.html
I use the Q108E REL with Von Schweikert VR-1s in a small room. Nice and small, bass to 30 Hz. To get lower you will need a larger sub. I also have a beautiful Hsu VTF-3R that goes to 18 Hz (-2 dB), flat to 20 Hz., but it is bigger. Great price and great service.
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