640
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Select picture or schematic to display from thumbnails on the right and click for download.
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alternative name
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Cresa Radio; Modena | ||||
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| Year: 1939/1940 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Valves / Tubes | 8: 6L7 6C5 6K7 6B8 6E5 6Q7 6L6 5Y3 |
| Main principle | Superheterodyne (common); ZF/IF 468 kHz |
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| Wave bands | Broadcast, Long Wave and 2 x Short Wave. |
| Details | |
| Power type and voltage | Alternating Current supply (AC) / 110-235 Volt |
| Loudspeaker | Permanent or electro-dynamic (moving coil), system not known yet. |
| Power out | |
| from Radiomuseum.org | Model: 640 - Superla - Cresa; Modena |
| Material | Wooden case |
| Shape | Tablemodel, high profile (upright - NOT Cathedral nor decorative). |
| Notes | Sintonizzazione a manopola o tramite pulsantiera per la ricerca automatica delle stazioni. Secondo "Guida Pratica AR II" e tutti gli schemi, le valvole sono 7 (senza 6B8). Onde lunghe (m. 700 - 2000) See also Superla 1640. Controllo di tono. |
| Source of data | Guida Pratica Antique Radio II (2000) |
| Literature/Schematics (1) | -- Original-techn. papers. (D.E. Ravalico: Servizio Radiotecnico vol. II. Radioriparazioni. 8^ Edizione. Hoepli, Milano, 1952.) |
| Literature/Schematics (2) | Il Radio Libro, (Ravalico) 6a edizione 1942 |
Model page created by Marco Gilardetti. See "Data change" for further contributors.
All listed radios etc. from Superla - Cresa; Modena
Here you find 118 models, 63 with images and 57 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
