I have an Alpine V12 5 channel amp, and I want to change HU and speakers. I would like a speaker TYPE suggestion for the front and rear speakers. I am probably going to stick with the stock size and just reuse the housings. Does it matter if I do components up front and full range in the rear, or full range all round? should I replace the tweeter also and what size is that. I am going to get a custom box built in the sub location with a flat sub so I can still have all my trunk space. Thanks in advance