- Country
- Germany
- Manufacturer / Brand
- Nora, Aron, Heliowatt; Berlin
- Year
- 1932–1934
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 7995
Originalprospekt Nora 1932.
- 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
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Bakelite case
- from Radiomuseum.org
- Model: B420 - Nora, Aron, Heliowatt; Berlin
- Shape
- Tablemodel, low profile (big size).
- Dimensions (WHD)
- 290 x 250 x 270 mm / 11.4 x 9.8 x 10.6 inch
- Notes
-
Trommelskala, 60 Stationszeiger.
Preis ohne Röhren, zusätzlich Röhrensatz, Preis: 39,10 RM
- Price in first year of sale
- 120.00 RM +
- Source of data
- Katalog Radio-Zentrale Prohaska 1932/33 / Radiokatalog Band 1, Ernst Erb
- Circuit diagram reference
- Röhren in FS-Bestückungstabellen
- Mentioned in
- Radio-Zentrale Prohaska 1933/34
- Picture reference
- Das Modell ist im «Radiokatalog» (Erb) abgebildet.
- 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