Quote Originally Posted by Factotum View Post
please, what is the " bowed " , and why it is compared ?
Apogee GT includes two o-rings. The standard one and a thicker one that bows the base. The bowed version performs better. The Apogee GT is in this as a reference.

Quote Originally Posted by Waterlogged View Post
Just a little disappointed it won't be fully tweaked is all.
You want V1 and V2 tweaking?