after what I just experienced at band practice last night I just had to share with you guys. I've been experimenting with different cab set ups. I run a gk 1001 RB head unit. First I had a 1x15 RBH and a 2x10 RBH both gk cabs. I generally don't mix woofer sizes but the cabs came with the head when I bought it. It sounded pretty good but lacked clarity on the low end. I tried an orange spl2x12, which was very disappointing. I tried an ampeg 8x10 which I liked but just wasn't sitting in the mix well. I really liked the ampeg 6x10 hlf but I couldn't keep clarity on the b string at high volumes. Well yesterday I picked up a Mesa boogie powerhouse 2x12.... Holy poopie this thing is incredible. These 2x12s blow away any cab I've ever played. The sound quality is amazing. The low b string is so clear and punchy I never knew a cab could sound this amazing. Now I want the 4x12 version just so I can shake people's souls out their ears. I have always played 10"s in the past, but never again. 12"s are where it's at brothers, if you want loud earthshaking bass with beautiful tone and clarity and punch even on the low B, Mesa boogie 12"s are what your searching for.