Radios - Grunow 506 1935-1940
Grunow 506 mid-late 1930's
Chassis 5-AD "Tuned Radio Frequency Receiver". Tunes only by the 6 pushbuttons set with trimmers on the bottom. Tube compliment: 6D6, 6C6, 25L6, 25Z5, L55B ballast. Patent labels say "Superhetrodyne Receiver".
winter Vintage Electronics Expo
is on Feb 1, 2020 at the Costick Center, 28600 Eleven Mile Rd, Farmington Hills, MI