History of the manufacturer
Sigma; Wien
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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: | Sigma; Wien (A) |
| Abbreviation: | sigma-a |
| Summary: |
Sigma, Instrumenten- und Maschinen-Gesellschaft mbH; Wien V: Lautsprecherfabrik [575-300]. Siehe auch Sigma Prag (TS) |
| History: |
Some models:
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| A | 26/27 | Sigma-Lautsprecher | Gehäuse und Schallrohr aus Metallguss | |
| A | 28 | 3-R-Sigmaphon | A415 | |
| A | 28 | 2-R-Sigmaphon | A415 | |
| A | 30 | Tenor | B415 | |
| A | 28/29 | Sigmaphon | E415 | Sigmaphon; Ausführung Wechselstrom öS 360,-, Ausführung Gleichstrom öS 310,-(vermutlich o... |
| A | 30/31 | Sigmaphon 5 Röhren | ||
| A | 28 | Sigmaphon [alt] |
[rmxhdet-en]
Further details for this manufacturer by the members (rmfiorg):
Quelle: Radiowelt 1930 Bild hochgeladen durch Walter Wiesmüller
Quelle: Radiowelt 1930 Bild hochgeladen durch Walter Wiesmüller
Q: Sigma Werbung, aus Radio Amateur, Februar 1930