I had found a couple of these subs for sale cheap and didn't think much of them, but I went to go model them in WinISD and their t/s specs are factory installed in WinISD (which may or may not be any indication) but these specs list the xmax at 13+mm! Is this true? If this is the case, these subs may be more useful than I anticipated.
Let me know if you know anything about them.