This sleek box instantly turns all the speakers in your home into high-fidelity audio equipment - Yanko Design
Audio Fidelity – Stereo Test Record (Vinyl) - Discogs
Got a Magnavox Astro-Sonic stereo high fidelity today. No year and can't find anything on this model number 1RP637. Original purchase was in 1967. Any insight or restoration tips? : r/vintageaudio
Stereo Receiver U.A.I Radio Fidelity Radio Co. Ltd.; London, build | Radiomuseum