to me, the alpines sound like you are listening to them through a tin can. the type s is reeeeaaaaaaaaaally bad, the R is better, but still tinny and lifeless. i had a set of rev's and hated them. thank god i didn't actually pay for them, they were given to me as a tip (for replacing them with a set of boston pro's). i figured what the heck, they're free i'll see what they got. they got nothin. even after ditching the passive crossovers, and running them active (with a boston GT22 on the mids and a GT20 on the tweets) they still just didn't impress me. they got loud, but were lacking warmth and detail, especially at high volumes they got very harsh. i could only stand them for a few days and put my Z6's back in. i just think you can find better for your money.