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Country:  Switzerland
Manufacturer / Brand:  Echophone, Marke (ab 1937) von Apco AG; Zürich
Year: 1945/1946 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 6J8G 6K7G 6Q7G EL3 5Y3G
Main principle Superheterodyne (common); ZF/IF 472 kHz
Power type and voltage Alternating Current supply (AC)
Loudspeaker Presumably Dynamic Loudspeaker (moving coil)
Power out
from Model: 546 - Echophone, Marke ab 1937 von
External source of data E. Erb 3-907007-36-0
Source of data Radiokatalog Band 2, Ernst Erb
Circuit diagram reference Die Tungsram-Tabellen führen das Modell auf.

All listed radios etc. from Echophone, Marke (ab 1937) von Apco AG; Zürich
Here you find 24 models, 11 with images and 11 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.