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D57; Irradio; Milano (ID = 37280) Radio
D57; Irradio; Milano (ID = 2570155) Radio
D57; Irradio; Milano (ID = 706472) Radio
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D57; Irradio; Milano (ID = 706472) Radio
Irradio; Milano: D57 [Radio] ID = 706472 297x242
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For model D57, Irradio; Milano:
From 'Radio e Televisione'
Country:  Italy
Manufacturer / Brand:  Irradio; Milano
Year: 1938 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 6A8 6K7 6Q7 6F6 5Y3
Main principle Superheterodyne (common); ZF/IF 420 kHz
Wave bands Broadcast, Long Wave and 2 x Short Wave.
Power type and voltage Alternating Current supply (AC)
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Model: D57 - Irradio; Milano
Material Wooden case
Shape Tablemodel, high profile (upright - NOT Cathedral nor decorative).
Dimensions (WHD) 400 x 500 x 300 mm / 15.7 x 19.7 x 11.8 inch

Bobina di campo con presa intermedia che fornisce la polarizzazione allo stadio finale.
Controllo di tono a 3 posizioni.
Media Frequenza indicata a 275 kHz su altro schema

Source of data Il Radio Libro (E.D. Ravalico) Edizioni Hoepli
Mentioned in -- Schematic (Schemario degli Apparecchi Radio. D.E. Ravalico – Hoepli – 1944.)

Model page created by Alessandro De Poi. See "Data change" for further contributors.

All listed radios etc. from Irradio; Milano
Here you find 256 models, 184 with images and 109 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.