• 09-24-2007, 10:56 AM
    Fred333
    That is a very interesting topic. I would look around the net, it has to have something. I will tak a look and see if I can find anything.
  • 09-29-2007, 08:38 PM
    filecat13
    It hasn't been quite a century yet. The moving coil loudspeaker was patented in 1913 by three men who soon had a company called Magnavox. It's generally considered that E.S Pridham, one of the founders of Magnavox, demonstrated this technology publicly during Christmas 1915.