I'm looking for a new speaker for my classic 30, is this a good 12 incher? I'm looking for a good crunchy bluesy speaker that works well.

Also, is it easy to install a speaker?
Epiphone Les Paul Custom
Roland Cube 15
Alverez/Yairi 1995 YM-1
Ovation Celebrity
Peavey Classic 30
Electro Harmonix Big Muff USA Reissue

My myspace. Yeah. I know it sucks.