I have a problem. I had an old Sony STR-DE 835 receiver that I used with some Polk RT 25 speakers. Used it for several years with no problem. Upon upgrading, I sold it to my friend who fried the receiver and had to have it fixed. Now, the receiver keeps blowing the speakers and the guy at the shop keeps telling him that the receiver is too powerful for the speakers that I used with no problems.
The receiver is 100 watts as is the speakers. I think this guy didn't fix the amp properly and now it has a recurrent problem. What do you think?