So by now, everyone has seen my beautiful B-15N stack of doom, but just in case you're not everyone: Free file hosting from File Den! Yes, 25w should be enough for everybody. In my case, though, with this rig, 25w is too much. Look at the volume setting. With the extension speaker, my usable volume isn't doubled, but it's in the ballpark. A B-15 cranked to its highest clean volume with one cab is about as loud as I can go on most of my gigs. The setting on the volume knob in the pic represents about half of that volume. But man, two of those cabinets sounds so sweet that it's like the bass floats on a cloud! Since I only mic the top cab, the bottom cab exists solely for us on the stage and some of the folks on the dance floor on smaller gigs. But I really love the sound of two cabs and they're small enough to where it's not so bad to bring two. But I also love the sound of a tube amp that's opened up all the way before distortion. When you crank the stack, it's so beautiful it could make you cry. Unfortunately, I'll never get the chance except on rare occasions. When you crank a single speaker B-15, the sound coming out of the speaker is better for the PA, but the two speakers sound way better from where I and the band stand. Everyone in the band also thinks the stack is my best sounding rig by far, so they want me to keep bringing it. It looks like I'll have to choose between the two...better sound in the PA or better sound onstage. The sound in the PA is still really good with the stack, but the cranked amp sounds different in a way I love. What do you all think?