I had a pair with a tanish fill - seemed to be beeswax. I took a little used saucepan, put some water in, brought the water to a boil, pulled off the...
If those are original Aluminum diaphragms I would be very careful running them to the lower 800Hz minimum. Depends on how hard you are going to play...
Thanks SEAWOLF97. Actually been looking for a set of 120ti's and they are hard to find. One on Ebay right now but way too much money. I have a set of...