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EK68LTR; Sondyna AG; Zürich- (ID = 20355) Radio
EK68LTR; Sondyna AG; Zürich- (ID = 20356) Radio
EK68LTR; Sondyna AG; Zürich- (ID = 1934884) Radio
EK68LTR; Sondyna AG; Zürich- (ID = 1934885) Radio
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EK68LTR; Sondyna AG; Zürich- (ID = 20355) Radio
Select picture or schematic to display from thumbnails on the right and click for download.
Country:  Switzerland
Manufacturer / Brand:  Sondyna AG; Zürich-Effretikon
Year: 1937/1938 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 7: EK2 EF5 EB4 EF6 EM1 EL5 EZ4
Main principle Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast, Long Wave and Short Wave.
Details Wired Wireless Receiver(AF only)
Power type and voltage Alternating Current supply (AC) / 110; 125; 145; 220; 250 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Model: EK68LTR - Sondyna AG; Zürich-Effretikon
Notes Bandfiltereingang
External source of data E. Erb 3-907007-36-0
Source of data Radiokatalog Band 2, Ernst Erb
Circuit diagram reference Thali-Schemasammlung und Tungsram-Röhrenbestückung.

All listed radios etc. from Sondyna AG; Zürich-Effretikon
Here you find 176 models, 107 with images and 112 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.