- Country
- Germany
- Manufacturer / Brand
- Nora, Aron, Heliowatt; Berlin
- Year
- 1931–1934
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 8020
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 3
- Main principle
- TRF with regeneration; 1 AF stage(s)
- Tuned circuits
- 1 AM circuit(s)
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Alternating Current supply (AC) / 120-240 Volt
- Loudspeaker
- Magnetic loudspeaker (reed) of high quality (4 magnet poles).
- Material
- Bakelite case
- from Radiomuseum.org
- Model: W20L - Nora, Aron, Heliowatt; Berlin
- Shape
- Tablemodel, high profile (upright - NOT Cathedral nor decorative).
- Dimensions (WHD)
- 345 x 410 x 190 mm / 13.6 x 16.1 x 7.5 inch
- Notes
- abgeschrägte Ecken; später Freischwinger-LS.
- Net weight (2.2 lb = 1 kg)
- 5.2 kg / 11 lb 7.3 oz (11.454 lb)
- Price in first year of sale
- 108.00 RM +
- Source of data
- Radio-Zentrale Prohaska 1933/34 / Radiokatalog Band 1, Ernst Erb
- Circuit diagram reference
- Röhren in FS-Bestückungstabellen
- Mentioned in
- Funkgeschichte der GFGF (9503)
- Picture reference
- Das Modell ist im «Radiokatalog» (Erb) abgebildet, das Copyright liegt beim Deutschen Rundfunk Museum (DRM), Berlin und beim Archiv-Verlag (AV). Sie finden eine grössere Abbildung und Schaltbild etc. bei der Loseblatt-Sammlung von DRM/AV.
- 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
Collections
The model is part of the collections of the following members.