|Year: 1936/1937||Type: Broadcast Receiver - or past WW2 Tuner|
|Valves / Tubes||5: 6A7 6D6 76 41 80|
|Principle||Super-Heterodyne (Super in general); ZF/IF 465 kHz|
|Tuned circuits||6 AM circuit(s)|
|Wave bands||Broadcast and Short Wave (SW).|
|Power type and voltage||Alternating Current supply (AC) / 115 Volt|
|Loudspeaker||Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm|
|from Radiomuseum.org||Model: Grunow 566 Ch= 5-S - General Household Utilities Co|
|Shape||Tablemodel, low profile (big size).|
|Dimensions (WHD)||15 x 9.25 x 7.75 inch / 381 x 235 x 197 mm|
This model Grunow 566 has 5 tubes, tuning is 540-4000 kc. See this article containing Teledial models. Also Teledial models of other brands are covered. In particular the nine 1936/37 Grunow models presented in "Radio Retailing", March 1937, are linked.
|Price in first year of sale||19.95 $|
|Circuit diagram reference||Rider's Perpetual, Volume 8 = 1937 and before|
|Mentioned in||Radio Retailing (R & Television R.) (March 1937.)|
|Literature/Schematics (1)||Machine Age to Jet Age II, Stein 97 (page 153.)|
|Literature/Schematics (3)||The Grunow Folder for 1937.|
Model page created by Hans-Joachim Korn. See "Data change" for further contributors.
All listed radios etc. from General Household Utilities Co. (Grunow); Chicago Ill.
Here you find 136 models, 97 with images and 126 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.