Grunow 670 Ch= 6-D
General Household Utilities Co. (Grunow); Chicago Ill.
- Country
- United States of America (USA)
- Manufacturer / Brand
- General Household Utilities Co. (Grunow); Chicago Ill.
- Year
- 1934
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 42720
-
- Brand: Grunow (trade name)
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 6
- Main principle
- Superhet with RF-stage; ZF/IF 455 kHz
- Wave bands
- Broadcast plus more than 2 Short Wave bands.
- 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
- Material
- Wooden case
- from Radiomuseum.org
- Model: Grunow 670 Ch= 6-D - General Household Utilities Co
- Shape
- Tablemodel, high profile (upright - NOT Cathedral nor decorative).
- Notes
-
Allwave 550 to 21800 kc in 4 bands.
Stein "Cathedral & Tombstone Radios" lists 3 bands for this model.
- External source of data
- Ernst Erb
- Source of data
- The Radio Collector's Directory and Price Guide 1921 - 1965
- Circuit diagram reference
- Rider's Perpetual, Volume 5 = ca. 1934 and before
- Mentioned in
- Machine Age to Jet Age II
- Literature/Schematics (1)
- Rider's Perpetual, Volume 6 = 1935 and before
- Literature/Schematics (2)
- Cathedral & Tombstone Radios (page 131.)
- Other Models
-
Here you find 138 models, 100 with images and 126 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from General Household Utilities Co. (Grunow); Chicago Ill.