I would add the sunfire Super Jr. Small, fast, and deep.
used subs: $500
Hey folks...tight budget...looking at slightly older subs that retailed for around 800-1k used: application:music
paradigm 2100/2200
b&w asw 2000
mirage 150 bpi
velodyne ct-150
polk psw 650
paradigm 2100/2200
b&w asw 2000
mirage 150 bpi
velodyne ct-150
polk psw 650