- Country
- Germany
- Manufacturer / Brand
- Nora, Aron, Heliowatt; Berlin
- Year
- 1930–1932
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 8050
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 4
- Main principle
- TRF with regeneration; 1 Special; 2 AF stage(s)
- Tuned circuits
- 2 AM circuit(s)
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Storage and/or dry batteries / 100+4 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Bakelite case
- from Radiomuseum.org
- Model: S4B - Nora, Aron, Heliowatt; Berlin
- Dimensions (WHD)
- 430 x 255 x 165 mm / 16.9 x 10 x 6.5 inch
- Notes
-
etwas geschwungenes Geh. [501]
Preis ohne Röhren, zusätzlich Röhrensatz Preis: 45,- RM
- Net weight (2.2 lb = 1 kg)
- 4.3 kg / 9 lb 7.5 oz (9.471 lb)
- Price in first year of sale
- 140.00 RM +
- Source of data
- Katalog Radio-Zentrale Prohaska 1930/31 (dick) / Radiokatalog Band 1, Ernst Erb
- Circuit diagram reference
- Röhren in FS-Bestückungstabellen
- Mentioned in
- Katalog Radio-Zentrale Prohaska 1931/32
- Literature/Schematics (1)
- Funkversand Kredit 1932/33
- Other Models
-
Here you find 633 models, 556 with images and 342 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Nora, Aron, Heliowatt; Berlin