- Country
- Germany
- Manufacturer / Brand
- Grassmann, Peter, RFW, Radio-Funk-Werkstätten; vor 1945, Berlin & Neuhaldensleben
- Year
- 1929/1930
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 14838
- Power type and voltage
- No Power needed
- Loudspeaker
- Magnetic loudspeaker (reed) of high quality (4 magnet poles).
- Material
- Wooden case
- from Radiomuseum.org
- Model: Helios Luxus - Grassmann, Peter, RFW, Radio-
- Dimensions (WHD)
- 415 x 370 x 130 mm / 16.3 x 14.6 x 5.1 inch
- Notes
-
4pol.LS in eckigem Holzgehäuse, Luxus-Ausf.
Ausführung A mit Fächermembran
Ausführung B mit Konusmembran
- Net weight (2.2 lb = 1 kg)
- 2.4 kg / 5 lb 4.6 oz (5.286 lb)
- Price in first year of sale
- 62.00 RM
- External source of data
- E. Erb 3-907007-36-0
- Source of data
- Arlt's grosser Radiokatalog 1930 / Radiokatalog Band 2, Ernst Erb
- Other Models
-
Here you find 110 models, 75 with images and 30 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Grassmann, Peter, RFW, Radio-Funk-Werkstätten; vor 1945, Berlin & Neuhaldensleben