Re: Is there a big difference between the Outlaw LFM-1 and LFM-1 Plus sub?
Jeff
The (V)TF-3MKII has (V)ariable tuning. By flipping a switch on the rear and inserting a port plug, (like the LFM-1 Plus), you can tune the VTF-3 to 18Hz.
The VTF-3MKII is not on sale. It is $752 delivered. The STF-3 is on sale for $602 delivered.
Only you can decide if the extra 8 Hz of extension is worth $150 more. I can say this, at the sale price of $602 delivered, if you find yourself really wanting more, you should be able to sell it for a very good price.
Basically, you would only notice the difference on the lowest, loudest material. I used a subwoofer that performs very much like the STF-3 for about 9 years and found it very satisfying.