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Year: 1931–1937 | Category: Commercial Receiver (may include amateur bands) | ||||
Valves / Tubes | 4: RE074neutro RE074neutro RE074neutro RE074neutro |
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Main principle | TRF with regeneration; 2 AF stage(s) |
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Wave bands | Broadcast, Long Wave and Short Wave. |
Details | |
Power type and voltage | Storage and/or dry batteries / 90/4,8 Volt |
Loudspeaker | - For headphones or amp. |
Power out | |
from Radiomuseum.org | Model: Tornisterempfänger Spez.445b Bs - Telefunken Deutschland TFK, |
Material | Metal case |
Shape | Boatanchor (heavy military or commercial set >20 kg). |
Dimensions (WHD) | 326 x 246 x 169 mm / 12.8 x 9.7 x 6.7 inch |
Notes | 3 verschiedene Einschübe mit Spulensätzen: kurz 2700 - 8000 kHz, mittel 475 - 3500 kHz, lang 94 - 1050 kHz. Betrieb mit Nickel-Cadmiumsammler 4,8NC10 und Anodenbatterie 90 V, diese für Gittervorspannung angezapft bei 3 V. |
Net weight (2.2 lb = 1 kg) | 25 kg / 55 lb 1.1 oz (55.066 lb) |
Mentioned in | -- Original-techn. papers. (D 917 Der Tornisterempfänger) |
Literature/Schematics (1) | -- Original-techn. papers. (Luftnachrichtenschule Halle (Saale): Tornisterempfänger 445 Bs. Betrieb und Prüfungr) |
Literature/Schematics (2) | Museums Bote, Österr. (Heft 125/2004, S.13 ff, Gerätebeschreibung) |
Model page created by Wolfgang Bauer. See "Data change" for further contributors.
All listed radios etc. from Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Here you find 3461 models, 3031 with images and 2007 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.