- Country
- Germany
- Manufacturer / Brand
- Nora, Aron, Heliowatt; Berlin
- Year
- 1929/1930
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 8075
- Number of Tubes
- 5
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown); 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; 220; 240 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Wooden case
- from Radiomuseum.org
- Model: K4Wd - Nora, Aron, Heliowatt; Berlin
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Dimensions (WHD)
- 515 x 237 x 285 mm / 20.3 x 9.3 x 11.2 inch
- Notes
- N-D.DD+Korr
- Net weight (2.2 lb = 1 kg)
- 10.5 kg / 23 lb 2 oz (23.128 lb)
- Price in first year of sale
- 367.00 RM
- Source of data
- Lehner & Küchenmeister 1929 / Radiokatalog Band 1, Ernst Erb
- Circuit diagram reference
- Röhren in FS-Bestückungstabellen
- 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.
Museums
The model can be seen in the following museums.