Impact of using small horn for an 802 compression driver?

[voice of the theater]

For a small horn the GPA Mantaray is 20 bucks. Why look at anything else?

Hello Robert--good to see you back here on the board. Have you seen the latest AS 101 thread? As a fellow former owner of Heathkit AS 101's, I thought you might be enjoying it. BTW, I also highly recommend the GPA Mantaray horn. It is the same as the vintage Altec mantaray horn that's in my Model 14's and it sounds amazing as well as having an incredible dispersion pattern