As posted elsewhere I may have to just salvage my Rumble 200 and turn it into a cab. If so ... what power can I throw at it? I know the amp itself is rated at 140 watts without an extension speaker but how much power would be too much if I just use it with an amp head? I guess 140 watts but probably not the full 200 watts because that is what happens when the load is split among two speakers. In other words, what is the rating for this stock speaker? There is little use I think to get an amp head that would offer more power than the speaker can stand .. or am I wrong? Of course I don't have to run the thing at full power but I still would like to know the actual capacity of this speaker.