Keywords: RCA Mark II Sound Synthesizer.png RCA Mark II Sound Synthesizer <br/> designed by Herbert Belar and Harry Olson at RCA Victor Note The color of image was corrected based on other photographs of RCA Mark II <br/> according to http //www flickr com/photos/f7oor/100151861/ other photograph original color of rack may be not the brown but the gray <br/> and after a half century due to stains and rusts it seems to be dark olive green Rca_mk2 jpg 2011-09-15 13 49 UTC Rca_mk2 jpg Finnianhughes101 derivative work Clusternote <span class signature-talk >talk</span> <gallery heights 90> File Rca mk2 jpg Rca mk2 jpg 360×252 File Rca mk22 jpg Rca mk22 jpg 340×237 File RCA Mark II Sound Synthesizer png RCA Mark II Sound Synthesizer png x4 zoomed File RCA Mark II Sound Synthesizer jpg RCA Mark II Sound Synthesizer jpg x4 zoomed </gallery> corrected color of faded '50s color photograph according to other photograph original color of rack may be not the brown but the gray and after a half century it seems to be dark olive green due to stains and rusts clusternote Rca_mk2 jpg Cc-zero Own work by uploader Finnianhughes101 </nowiki> Uploaded with derivativeFX RCA Mark II Sound Synthesizer RCA Victor Company Music sequencers Punch tape hardware Scientific equipment Electronic music studios Synthesizer racks |