I used to have an Ampeg 610 HLF which I loved with my GK 700 RB-II. I sold it because it was a little too big to carry around. I'm about to buy a used Ampeg SVT 410HE but I wanted to know if someone knew the difference between the HLF model and the HE model. I know the HE is a closed cab, but soundwise what's the difference? Is it just less bass booming sound? I'm still looking for a rock sound, let's say a 70's rock sound. Is the HE model still good for it?