google gives this...
[url="http://reviews.harmony-central.com/reviews/Bass+Amp/product/Trace+Elliot/1248H+412+Cabinet/10/1"]http://reviews.harmony-central.com/reviews...12+Cabinet/10/1[/url]
sixshooter is quoting 900watts, it will be powerful and loud. 12's always seemed to be quite good middle ground between the pro' and cons of 10 and 15's.