You wouldn't be talking about GM's post would'ya, He's the man !! It helps to have someone help interpret his explanations sometimes.I once told him GM could you please try to explain as simple as possible.Because I said I get lost real quick in some of your explanations.He told me don't feel bad I get lost in some of my explanations too.
But he gives fantastic advice and has been helping me out quite abit behind the scenes.
BTW You don't want to run a 1.4" driver into a 1" horn as you will put undue stress on the diaphram from back pressure back into the diaphram.You will be blowing diaphrams much more frequently.