- Country
- Germany
- Manufacturer / Brand
- Grassmann, Peter, RFW, Radio-Funk-Werkstätten; vor 1945, Berlin & Neuhaldensleben
- Year
- 1936–1938
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 14863
- Number of Tubes
- 1
- Wave bands
- - without
- Power type and voltage
- Alternating Current supply (AC) / 110; 125; 150; 220 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 50 cm = 19.7 inch
- Power out
- 60 W (unknown quality)
- Material
- Metal case
- from Radiomuseum.org
- Model: Wotan W - Grassmann, Peter, RFW, Radio-
- Shape
- Chassis only or for «building in»
- Notes
- 60W Erregerleistung. Eingebauter Anpassungstransformator für 2, 150, 300, 500 und 2000 Ohm. Preis einschliesslich Röhre.
Werbung: "Der Grosslautsprecher für Massenversammlungen im Freien bis zu 20.000 Personen. Dreifacher Wirkungsgrad des Helios Mammut"
- Net weight (2.2 lb = 1 kg)
- 65 kg / 143 lb 2.7 oz (143.172 lb)
- Price in first year of sale
- 500.00 RM
- External source of data
- E. Erb 3-907007-36-0
- Source of data
- HandB.d.d.Rundfunk-Handels 1936/37 / Radiokatalog Band 2, Ernst Erb
- Circuit diagram reference
- Röhren in FS-Bestückungstabellen
- Mentioned in
- Katalog Ch.Mank, Leipzig
- Other Models
-
Here you find 111 models, 76 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