First, the Princeton Chorus is 25w per ch, not 125w. What you are seeing on the back rating plate is power consumption from the wall, not power output. It is a nice amp for what it does well but I appreciate the sound of a Champ X2 better. I would gig with the Champ but probably not with the PC.
http://support.fender.com/manuals/guitar_amplifiers/Princeton_Chorus_manual.pdf