- Country
- Germany
- Manufacturer / Brand
- Grawor, Rundf.techn.Erz. Grass & Worff (REG); Berlin
- Year
- 1930–1932
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 341843
-
- alternative name: Gravor
Schallstoff eventuell nicht original.
Membran mit netzartiger Metallisierung.
Bespannung modern
4-Pol-System 'Goliath', original
Konus original
Bespannstoff ersetzt
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- Magnetic loudspeaker (reed) of high quality (4 magnet poles). / Ø 29 cm = 11.4 inch
- Material
- Wooden case
- from Radiomuseum.org
- Model: Violon [1930] - Grawor, Rundf.techn.Erz. Grass
- Shape
- Tablemodel, low profile (big size).
- Dimensions (WHD)
- 415 x 355 x 160 mm / 16.3 x 14 x 6.3 inch
- Notes
-
Konus mit vierpoligem Kraftmagnet-System 'Goliath' (Werbeumschreibung).
Siehe auch älteres Modell Grawor Violon (Kathedrale)
- Net weight (2.2 lb = 1 kg)
- 2.950 kg / 6 lb 8 oz (6.498 lb)
- Price in first year of sale
- 45.00 RM
- Mentioned in
- Hans F. Wilke, Hamburg; Messeneuheiten Sep. 1930
- Literature/Schematics (1)
- Katalog Radio-Zentrale Prohaska 1930/31 (siehe auch Illustrierter Radiokatalog 1930/31, Seite 40)
- Literature/Schematics (2)
- Radio-Schnorr-Katalog Nr.53 1931/32 (Seite 221, Preis 48,- RM)
- Author
- Model page created by Rainer Jehl. See "Data change" for further contributors.
- Other Models
-
Here you find 141 models, 136 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Grawor, Rundf.techn.Erz. Grass & Worff (REG); Berlin
Collections
The model Violon is part of the collections of the following members.