I have 2 pairs (front and back) Soundstream 6 1/2 component speakers in my avy. But all 4 are blown. I want to replace them, but I was thinking of just buying coaxials. My crossovers are still good as well as the tweeters. Can I mix/use the coaxials with the tweeters? Will it sound bad? will I have too much high end? Do I mix them through the crossover? I don't really know how to approach it. THanks for the help.