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Audion ; Sindag AG (ID = 500200) Radio Audion ; Sindag AG (ID = 503620) Radio
Audion ; Sindag AG (ID = 503621) Radio
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Audion ; Sindag AG (ID = 500200) Radio
Sindag AG: Audion [Radio] ID = 500200 640x480
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For model Audion, Sindag AG (Schwachstrom-Industrie-AG); Wien
Country:  Austria
Manufacturer / Brand:  Sindag AG (Schwachstrom-Industrie-AG); Wien
Year: 1926/1927 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 1:
Main principle TRF with regeneration
Tuned circuits 1 AM circuit(s)
Wave bands Broadcast (MW) and Long Wave.
Power type and voltage Storage and/or dry batteries
Loudspeaker - For headphones or amp.
Power out
from Model: Audion - Sindag AG Schwachstrom-
Material Wooden case, TUBES VISIBLE.
Shape Tablemodel without push buttons, Mantel/Midget/Compact up to 14
Dimensions (WHD) 235 x 155 x 125 mm / 9.3 x 6.1 x 4.9 inch
Notes Rückk.+Drehko mit Feineinstellung . Bereichswahl durch Steckspulen.
Net weight (2.2 lb = 1 kg) 0.7 kg / 1 lb 8.7 oz (1.542 lb)
External source of data E. Erb 3-907007-36-0
Source of data Radiokatalog Band 2, Ernst Erb
Mentioned in Der Radio-Empfangs-Apparat, Band 1 (301)

All listed radios etc. from Sindag AG (Schwachstrom-Industrie-AG); Wien
Here you find 6 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.