I have a 410 from this series (thank you again Dood...) and they are amazing cabs, light, deep sounding (way beyond what you'd think), very articulate and they go [i][b]loud[/b][/i] (very efficient) [b][i]and[/i][/b] they take a beating... Running a Fender TB-1200 into mine at about 50%...
GLWTS