I bought this speaker to replace the original 8" noname speaker in my Fender Mustang I (v1).
I drilled and dremeled the front hole larger to make this fit. The result is a much cleaner sound, with a lot less mud, and sounds a lot more "grown up" than the 8". While this is not by any means a high end speaker, for a low price it can easily upgrade a cheap practice amp. The speaker is heavy and has good, sturdy contacts that are easy to solder to. It's not the most pretty speaker around, but again, it comes with a price tag that allows one to overlook such basic things. There are also several project photos of a Mustang I being upgraded to 10", so using the google image search may give you some ideas.