Quote Originally Posted by Cal Weldon View Post
Hi Marty,

I measured them on the outside but with the unevenness of the aquaplas coating, it was difficult to interpolate what the ID was. I mentioned the points, when plotted, would need smoothing. I'm glad to see Alan's curve is actually not that bad. There would be no way to use calipers like I did on the waveguide. Very interesting to see the slight compression on the side angle view of the waveguide up to the 2" point. I guess I have to post that here. I did a scan as Audiomind found my measurements difficult to read.
Hey Cal,

What about the calipers you made for the waveguide? Can you get some measurements at least part way down the cell with them as there seems to be a bad bump between 4 and 5 inches down the cell.

Audiomind...