Thanks so much, it must be something with Dell. Mine was on a Dell too. Then I tried on a Microsoft Surface and it worked on java and the UMIK-1.
I'll try using Asio but I haven't been able to configure Asio yet
Indeed it has dramatically changed. Here are the curves using the PC mic. In blue its with all speakers set to large and in orange with full crossover to subs
I've now set all speakers to large and set to lowest crossover. These are 3 curves which are all almost the same. With sub 1 only, with sub 2 only and without the subs