- Country
- Germany
- Manufacturer / Brand
- Radiofrequenz GmbH; Berlin-Friedenau (später Loewe)
- Year
- 1924–1927
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 16275
-
- Brand: Ges. für Radiotelephonie mbH
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 3
- Main principle
- TRF with regeneration; 1 Special; 2 AF stage(s); Reflex
- Tuned circuits
- 2 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Storage and/or dry batteries
- Loudspeaker
- - For headphones or amp.
- Material
- Wooden case, TUBES VISIBLE.
- from Radiomuseum.org
- Model: EA991 - Radiofrequenz GmbH; Berlin-
- Shape
- Tablemodel, slant panel.
- Dimensions (WHD)
- 370 x 260 x 185 mm / 14.6 x 10.2 x 7.3 inch
- Notes
- Reflex (Superflex)
- Net weight (2.2 lb = 1 kg)
- 3.8 kg / 8 lb 5.9 oz (8.37 lb)
- Price in first year of sale
- 278.00 RM !
- External source of data
- E. Erb 3-907007-36-0
- Source of data
- Katalog WEGA, Stuttgart 1925 / Radiokatalog Band 2, Ernst Erb
- Mentioned in
- Radio-Bauer, Kat. Nr. 6, April 1927
- 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 29 models, 19 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Radiofrequenz GmbH; Berlin-Friedenau (später Loewe)