- Country
- Germany
- Manufacturer / Brand
- Grawor, Rundf.techn.Erz. Grass & Worff (REG); Berlin
- Year
- 1936–1938
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 75278
-
- alternative name: Gravor
Der Radiohändler März 1936
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- 2 Loudspeakers
- Material
- Wooden case
- from Radiomuseum.org
- Model: Duodyn - Grawor, Rundf.techn.Erz. Grass
- Shape
- Tablemodel, with any shape - general.
- Notes
- Tischlautsprecher im Holzgehäuse mit 2 eingebauten Systemen für Tief-und Hochtonwiedergabe (Perma 1 und Optimus-Spezial), Übertragungsbereich 40-8500 Hz; eingebauter Universalanpassungstrafo 3/5/6/7/8/10/16 kOhm; Maximalbelastbarkeit 4 W.
- Net weight (2.2 lb = 1 kg)
- 8.8 kg / 19 lb 6.1 oz (19.383 lb)
- Price in first year of sale
- 110.00 RM
- Source of data
- HandB.d.d.Rundfunk-Handels 1936/37 / Radiokatalog Band 2, Ernst Erb
- Author
- Model page created by Michael Seiffert. See "Data change" for further contributors.
- Other Models
-
Here you find 144 models, 139 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 Duodyn is part of the collections of the following members.