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R3 alt

R3; Isaria Zählerwerke (ID = 1758) Radio
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R3; Isaria Zählerwerke (ID = 1758) Radio
Isaria Zählerwerke: R3 [Radio] ID = 1758 693x525
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For model R3 alt, Isaria Zählerwerke AG; München
Country:  Germany
Manufacturer / Brand:  Isaria Zählerwerke AG; München
Year: 1924/1925 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 3:
Main principle TRF with regeneration; 2 AF stage(s)
Tuned circuits 1 AM circuit(s)
Power type and voltage Storage and/or dry batteries
Loudspeaker - For headphones or amp.
Power out
from Model: R3 [alt] - Isaria Zählerwerke AG; München
Material Metal case, TUBES VISIBLE
Shape Tablemodel, slant panel.
Notes eingebaute Spule.
Price in first year of sale 129.00 RM +
External source of data E. Erb 3-907007-36-0
Source of data Radiokatalog Band 2, Ernst Erb
Circuit diagram reference Info Dr. H. Börner without schematic
Picture reference Das Modell ist im «Radiokatalog» (Erb) abgebildet.

All listed radios etc. from Isaria Zählerwerke AG; München
Here you find 36 models, 27 with images and 11 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.