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640; Superla - Cresa; (ID = 2545853) Radio
640; Superla - Cresa; (ID = 2545856) Radio
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640; Superla - Cresa; (ID = 2545853) Radio
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Country:  Italy
Manufacturer / Brand:  Superla - Cresa; Modena
alternative name
Cresa Radio; Modena
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
Wave bands Broadcast, Long Wave and 2 x Short Wave.
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 Model: 640 - Superla - Cresa; Modena
Material Wooden case
Shape Tablemodel, high profile (upright - NOT Cathedral nor decorative).

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)
Onde medie (m. 200 - 600)
Onde corte (m. 19 - 50)
Onde cortissime (m. 13,5 - 25m)

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.