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Sektoral

Sektoral ; Grawor, Rundf.techn. (ID = 117503) Speaker-P Sektoral ; Grawor, Rundf.techn. (ID = 117505) Speaker-P
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Sektoral ; Grawor, Rundf.techn. (ID = 117503) Speaker-P
Grawor, Rundf.techn.: Sektoral [Speaker-P] ID = 117503 640x480
Select picture or schematic to display from thumbnails on the right and click for download.
For model Sektoral, Grawor, Rundf.techn.Erz. Grass & Worff (REG); Berlin :
eigene Ebaybilder
 
Country:  Germany
Manufacturer / Brand:  Grawor, Rundf.techn.Erz. Grass & Worff (REG); Berlin
alternative name
 
Gravor
Year: 1930/1931 Category: Loudspeaker, headphone or earphone
Wave bands - without
Details
Power type and voltage No Power needed
Loudspeaker Magnetic loudspeaker (reed) of high quality (4 magnet poles).
Power out
from Radiomuseum.org Model: Sektoral - Grawor, Rundf.techn.Erz. Grass
Material Wooden case
Shape Tablemodel, high profile (upright - NOT Cathedral nor decorative).
Dimensions (WHD) 320 x 320 x 0 mm / 12.6 x 12.6 x 0 inch
Notes früher Sektrola, Sektor-Membran, Vierpol-System.
Price in first year of sale 69.00 RM
External source of data E. Erb 3-907007-36-0
Source of data Radiokatalog Band 2, Ernst Erb
Mentioned in Katalog Radio-Zentrale Prohaska 1930/31 (dick) (p.50)


All listed radios etc. from Grawor, Rundf.techn.Erz. Grass & Worff (REG); Berlin
Here you find 135 models, 130 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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