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Violon

Violon ; Grawor, Rundf.techn. (ID = 1512085) Speaker-P Violon ; Grawor, Rundf.techn. (ID = 141268) Speaker-P
Violon ; Grawor, Rundf.techn. (ID = 141269) Speaker-P Violon ; Grawor, Rundf.techn. (ID = 141270) Speaker-P
Violon ; Grawor, Rundf.techn. (ID = 1140247) Speaker-P Violon ; Grawor, Rundf.techn. (ID = 1140248) Speaker-P
Violon ; Grawor, Rundf.techn. (ID = 1304794) Speaker-P Violon ; Grawor, Rundf.techn. (ID = 1304795) Speaker-P
Violon ; Grawor, Rundf.techn. (ID = 1304796) Speaker-P Violon ; Grawor, Rundf.techn. (ID = 1304798) Speaker-P
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Violon ; Grawor, Rundf.techn. (ID = 1512085) Speaker-P
Grawor, Rundf.techn.: Violon [Speaker-P] ID = 1512085 930x1240
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For model Violon, Grawor, Rundf.techn.Erz. Grass & Worff (REG); Berlin :
Grawor Violon
 
Country:  Germany
Manufacturer / Brand:  Grawor, Rundf.techn.Erz. Grass & Worff (REG); Berlin
alternative name
 
Gravor
Year: 1928–1931 Category: Loudspeaker, headphone or earphone
Details
Power type and voltage No Power needed
Loudspeaker Magnetic loudspeaker (reed) of high quality (4 magnet poles). / Ø 27 cm = 10.6 inch
Power out
from Radiomuseum.org Model: Violon - Grawor, Rundf.techn.Erz. Grass
Material Wooden case
Shape Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).
Dimensions (WHD) 300 x 330 x 140 mm / 11.8 x 13 x 5.5 inch
Notes Flächenlautsprecher in Holzgehäuse
Net weight (2.2 lb = 1 kg) 1.1 kg / 2 lb 6.8 oz (2.423 lb)
Price in first year of sale 42.00 RM
External source of data E. Erb 3-907007-36-0
Source of data Radio-Diehr, Berlin, 1928/1929 / Radiokatalog Band 2, Ernst Erb
Mentioned in Katalog Radio-Zentrale Prohaska 1930/31 (dick)


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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