At this point I have already purchased the diaphragms from Bob Crites in order to get things rolling. I did purchase a matched pair which seems to be the best way to go based on popular opinion. In regards to purchasing on eBay I personally think that it's great. I have definitely had a couple of times where the item I purchased wasnot what it appeared to be and I ended up sending it back. At the same time I have also purchased many brand new things from a regular store and have had problems with them too! I guess the great thing about eBay is that it is just a big flea market. Also the prices are set at what they should be (people pay what the item is worth). At any rate it led me to a great pair of vintage Klipsch speakers which in turn led me here!!!! I will update the post and let everyone know how the horn's turned out after I switch the diaphragms. Thanks again everyone for your help.....!!!!<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />