Select-O-Matic [HF 100R] © 1954 Seeburg.
The Select-O-Matic [HF 100R] was notable in the Seeburg line for its bandshell appearance with anodized chrome. It had 5 speakers to give the listener better sound 'all around the Jukebox'.
Machine's picture.
Cabinet by; http://www.jukebox-collections.com
Collector's Guide to Vintage Coin Machines - Richard M. Bueschel - Page 85