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Country:  Sweden
Manufacturer / Brand:  Standard Radio & Telefon AB (SRT), Stockholm
Year: 1940 ?? Category: Commercial Receiver (may include amateur bands)
Valves / Tubes 7: EF11 ECH11 ECH11 EF11 EF11 EBF11 EL2
Main principle Superheterodyne (common); ZF/IF 1200 kHz
Tuned circuits 6 AM circuit(s)
Power type and voltage Direct Current supply (DC) / 65: 110; 220 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 13 cm = 5.1 inch
Power out
from Model: SR50 - Standard Radio & Telefon AB
Material Metal case
Shape Boatanchor (heavy military or commercial set >20 kg).
Notes Schiffsempfänger. Speisung wahlbar zwischen 110/220 V Gleichstrom-schiffnetz oder 65 V Notgenerator/Batterie. Umschaltbar zwischen Festfrequenz 500 kHz und normalem durchstimmbarem Empfang. A1-Oszillator für Telegraphieempfang.
Source of data - - Data from my own collection

Model page created by Torbjörn Forsman. See "Data change" for further contributors.

All listed radios etc. from Standard Radio & Telefon AB (SRT), Stockholm
Here you find 15 models, 10 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.