- Country
- Germany
- Manufacturer / Brand
- Nora, Aron, Heliowatt; Berlin
- Year
- 1930–1932
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 8053
Katalog Prohaska 1931/32 S.31
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- 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
- Alternating Current supply (AC) / 120-240 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Wooden case
- from Radiomuseum.org
- Model: S4W - Nora, Aron, Heliowatt; Berlin
- Dimensions (WHD)
- 520 x 260 x 280 mm / 20.5 x 10.2 x 11 inch
- Notes
-
Preis ohne Röhren, zusätzlich Röhrensatz für:
- elektrodyn. Lautspr.: 2 x RENS1204, REN904, RE604, RGN2004 Preis: 103,50 RM
- elektromagn. Lautspr.: 2 x RENS1204, REN1004, RE304, RGN504 Preis: 79,50 RM
- Net weight (2.2 lb = 1 kg)
- 13.3 kg / 29 lb 4.7 oz (29.295 lb)
- Price in first year of sale
- 320.00 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
- 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