I just ordered a Hsu sub, and by recomendation of Dr Hsu, by email, he recomended I go with the VTF2 over the STF2 due to by his words were "the VTF2 has all the bugs worked out, the STF2 is in it's first production run, he is sure there will be some kinks to straighten out, for example some people feel the gain is too low. Future production runs will have the gain increased." I honostly don't know if that is important to anyone, but something to consider.


Panasonic TC-P50G15, DMP-BD60
Yamaha RX-V1400
Axiom M60's,VP150,QS8's
Hsu VTF2