Hi, yes I have heard them , twice, at a friends house who had an old pair that he used to play around with, he had the enclosures removed so that you could see the lens and transducers. I want to be clear hear, I mean no disrespect to the late Mr. Beveridge , he was a true genius in every...
The Beveridge lens is an interesting concept. Looking at the original patent drawing of the lens we see the lens takes the planar wave output of the diaphragm and attempts to convert it into a hemi-cylindrical wave form by having the planar wave front travel through a network of separate...