Quote Originally Posted by VolvoHeretic View Post
Does anyone have a 811 exposed that they could measure for me? I know the flange width and height and also the overall length, but I need to know the height of the horn mouth and its width in front of the flange. I have a 511 and tried to scale it down, but I don't trust the dimensions.
Hope this helps. -Sri
811B-Measurement.jpg