I can attest that I have an SVS PB-2000 and am very happy with it. It reproduces 32's well. It is very powerful and rated to 17Hz.
Here's a link to the thread about my organ for anyone interested who may have missed it:
http://forum.hauptwerk.com/viewtopic.php?f=21&t=13923&start=15&hilit=oklahoma
And a pic of the SVS in the corner:
https://www.amazon.com/clouddrive/share/bjFtSbkAVPncMlORQ7P5IwdT3MnUbWhmBbyt9P4povC/ta2RD69QQ9eLwkOEVh7GzQ?_encoding=UTF8&mgh=1&ref_=cd_ph_share_link_copy&v=grid