History of the manufacturer
Radiofrequenz GmbH; Berlin-Friedenau (später Loewe)
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Both will display your name after an officer has activated your content, and will be displayed under «Further details ...» plus the text also in the forum.
| Name: | Radiofrequenz GmbH; Berlin-Friedenau (später Loewe) (D) |
| Brand: |
 |
| Abbreviation: | radiofrequ |
| Summary: |
Radiofrequenz G.m.b.H., Spezialfabrik für Radio-Apparate, Niedstr. 5, Berlin-Friedenau. Telegrammadresse "Variometer". |
| History: |
1924: Inserat "Detektoren, Drehkondensatoren, Lautsprecher sowie sämtliche Zubehörteile".
|
Some models:
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| D | 24/25 | EA983 | ||
| D | 25/26 | VG330 | Abstimmkreis zu BG100. | |
| D | 23/24 | Detektor-Empfänger EA51 | für Export. | |
| D | 23/24 | Detektor-Empfänger EA52 | für Export. | |
| D | 23/24 | EA54 | 1923 = Exportmodelle | |
| D | 24/25 | EA958 | zwangsgeführte Rückkopplung | |
| D | 24/25 | EA980 | ||
| D | 24/25 | Detektor-Empfänger EA981 | ||
| D | 24/25 | EA982 | ||
| D | 24/25 | EA984 | 2-stufiger NF-Verstärker | |
| D | 24/25 | EA987 | LA75 | Sekundärempfänger; 2 Mod (987a) |
| D | 24/25 | OR70 | Aktivlautsprecher! |
[rmxhdet-en]
Further details for this manufacturer by the members (rmfiorg):
Radiofrequenz Firmen-Logo um 1924.
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