Thread: Incorrect bell?
View Single Post
Old 31st May 2019, 7:05 am   #23
dagskarlsen
Hexode
 
dagskarlsen's Avatar
 
Join Date: Jan 2008
Location: Hakadal, Norway
Posts: 435
Default Re: Incorrect bell?

In theory, there is no difference between theory and practice.

If the practice comes close, the theory will probably be right

PS The REN calculation is including the Capacitor like they e.g.do in USA. The measurement is done according to the setup described in Old-time Telephones! Design, History, and Restoration by Ralph Meyer (https://bre.is/Qt3O_IRJS) DS

Last edited by dagskarlsen; 31st May 2019 at 7:11 am.
dagskarlsen is offline   Reply With Quote