You can believe the Hsu sub will go down to at least the advertised specs. My STF 3 was advertised to be tuned to 25hz and it has very strong out put at 20hz. Dr. Hsu has always rated his products very conservative.

The Outlaw Plus series are more like the Hsu VTF subs.

Last edited by wid; 03/09/08 05:07 PM.
Rick


"A fear of weapons is a sign of retarded sexual and emotional maturity." Sigmund Freud