Maybe no one over here in the DB side is going to believe me...but the Thunderfunk is a really great DB amp. Very wide eq options, small, light, powerful...
I had been using an eden navigator for quite a while, but in a flight rack with a qsc amp, and korg str rack tuner, it was a hefty package.
If you buy direct from Dave Funk at Thunderfunk, you can try the little bugger for 7 days, and return it if you don't like it.
I have the "older" TFB420, which is 400 watts into 4 ohms. Running thru a schroeder 1210 (another awesome piece of gear probably most of you may scoff at for DB use, but it works very well for me at least), and it's a great combination.
More info here:
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or search the "other side" of this forum...
I also have a new eden wt800b that is very nice for DB, but I would not call this amp "lightweight" in the same way that the thunderfunk or a clarus is.
Another fine piece of gear to think about would be a walter woods product...