EB1 has the same Vifa midrange driver as OB1, so if that is the criteria there is no point going to EB1.
You want to look for speakers that use ATC or PMC (not Vifa) dome midrange, there are several manufacturers that sue them.
In PMC lineup, the first one is IB2.
You want to look for speakers that use ATC or PMC (not Vifa) dome midrange, there are several manufacturers that sue them.
In PMC lineup, the first one is IB2.