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Stradivari 37 703

Stradivari 37 703; Sondyna AG; Zürich- (ID = 20482) Radio
Stradivari 37 703; Sondyna AG; Zürich- (ID = 20483) Radio
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Stradivari 37 703; Sondyna AG; Zürich- (ID = 20482) 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: 1936/1937 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: AK2 AH1 AB2 AF7 AD1 RGN2004
Main principle Superheterodyne (common); ZF/IF 462 kHz
Power type and voltage Alternating Current supply (AC) / 110-240 Volt
Loudspeaker Permanent or electro-dynamic (moving coil), system not known yet.
Power out
from Model: Stradivari 37 703 - Sondyna AG; Zürich-Effretikon
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.