[quote name='Lycanthrope' post='765145' date='Mar 5 2010, 02:03 PM']OK, so all these fancy Trace, Hartke, GK etc bass amps are all about a good bass preamp with a high quality PA
Gotcha! [/quote]
I think the GK 'growl' is a power amp thing, so might not count for them. The Trace sound is in the preamp, Shockwave has a Trace pre into a PA power amp, sounds like Trace.
If you like the sound of your preamp, a power amp will just make that sound louder.