![CMV-4-Picture-1](http://www.andreas-grosser.com/wp-content/uploads/2014/10/CMV-4-Picture-1.jpg)
04 Oct Georg Neumann & Co. CMV4
Posted at 10:31h
in Microphones
When front was in 1943 closer and closer to Berlin the laboratory was seriously damaged with bomb and fire attack.Neumann had to make decision to relocate to town Gefell.There they started to produce the first microphone with M7 capsule.