For around the last 5 years, I've been using a Streamliner 900 into a pair of 8-ohm 12's I built as my rig at church. Running at 4 ohms, the Streamliner has more power than I need and I've always been nervous about blowing up the 12s. This week I built a pair of flyweight 10's with Eminence Basslites, rated at 150 watts thermal handling each. I wanted to try them at church since the 12s are overkill there. I would have been even more nervous about overpowering the 10s, so I decided to create a series cable and run them in series for a 16-ohm load. I figured the Streamliner might produce around 300 watts into 16 ohms and the power would match the speakers' thermal capacity exactly. It worked very well. Of course I had to turn up the master volume, from around 11:00 when I ran it into 4 ohms, to almost 3:00. What I didn't expect was the additional tubey-ness that would result. The amp seemed to have the exact same bouncy feel as my Walkabout. I've enjoyed that feel and would have said previously that the Streamliner was close, but not quite as tubey. Now it's all the way there, a dead even match in tubey-ness. I couldn't be happier about that. It's also nice to just play without constantly holding back to control transients. Happy camper here!