https://www.preservationsound.com/content-we-got-fresh-content-1940-rca-sound-system-proposal-complete-documentation/rca_mi4043/ information and ideas about audio history Sat, 03 Mar 2018 16:30:23 +0000 hourly 1 https://wordpress.org/?v=6.9.4 https://www.preservationsound.com/content-we-got-fresh-content-1940-rca-sound-system-proposal-complete-documentation/rca_mi4043/#comment-454872 Sat, 03 Mar 2018 16:30:23 +0000 http://www.preservationsound.com/wp-content/uploads/2017/09/RCA_MI4043.jpg#comment-454872 I have this microphone! Is there any way to obtain the official part name (77DX-C1?) and number and any additional info on this one.

]]>