https://www.preservationsound.com/cinema-sound-circa-1953/ information and ideas about audio history Wed, 15 Jan 2020 08:13:53 +0000 hourly 1 https://wordpress.org/?v=6.9.4 https://www.preservationsound.com/cinema-sound-circa-1953/#comment-598810 Wed, 15 Jan 2020 08:13:53 +0000 http://www.preservationsound.com/?p=4611#comment-598810 Good content admin

]]> https://www.preservationsound.com/cinema-sound-circa-1953/#comment-18357 Wed, 11 Apr 2012 03:24:59 +0000 http://www.preservationsound.com/?p=4611#comment-18357 Art Davis, who owned Cinema and later went on to Altec has a patent for a “straight line attenuator” from 1950. http://www.google.com/patents?id=X5lSAAAAEBAJ&printsec=abstract#v=onepage&q&f=false

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