Beta-Duplex 274
Wisi (Wilh. Sihn); Niefern bei Pforzheim
- Country
- Germany
- Manufacturer / Brand
- Wisi (Wilh. Sihn); Niefern bei Pforzheim
- Year
- 1956
- Category
- Antenna (Aerial) or Coupler
- Radiomuseum.org ID
- 267967
-
- Brand: Sihn jr., Wilhelm; Niefern
Q: Wisi, Produkt-Katalog '55
Q: Wisi, Produkt-Katalog '55
- Wave bands
- Wave Bands given in the notes.
- Power type and voltage
- No Power needed
- Loudspeaker
- - - No sound reproduction output.
- Material
- Metal case
- from Radiomuseum.org
- Model: Beta-Duplex 274 - Wisi Wilh. Sihn; Niefern bei
- Shape
- Miscellaneous shapes - described under notes.
- Notes
-
12-Element-4 Etagen-Breitband-Antenne für je 4 - 5 benachbarte Kanäle 5 bis 8 bzw 7 bis 11, mit Trafo-Leitung T282, Spannungsgewinn 10,6 dB, Fußpunktwiderstand 240Ω.
- Price in first year of sale
- 120.00 DM
- Mentioned in
- - - Manufacturers Literature
- Author
- Model page created by Karlheinz Fischer. See "Data change" for further contributors.
- Other Models
-
Here you find 141 models, 105 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Wisi (Wilh. Sihn); Niefern bei Pforzheim