I have a set of VR4GenIII's & use Herbie's Footers between the modules. I started out w/5 on ea. side but went to 7, as it helped stabilize the heavy side. 4 are along the heavy side, one in the middle & 2 on the other side. I'm also using one-piece SS spikes through the carpet to the wood floor & this combination works very well in my setup.
The Herbies Footers helped clean up the top module freqs while the spikes helped tighten the bass.
The Herbies Footers helped clean up the top module freqs while the spikes helped tighten the bass.