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9A

9A ; Royal - see also in (ID = 376019) Radio
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9A ; Royal - see also in (ID = 376019) Radio
Select picture or schematic to display from thumbnails on the right and click for download.
 
Country:  United States of America (USA)
Manufacturer / Brand:  Royal - see also in text
Year: 1934 ?? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: 78 77 43 25Z5
Main principle TRF (Tuned-Radio-Frequency but use of regeneration unknown)
Tuned circuits 2 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage AC/DC-set / 110-125 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: 9A - Royal - see also in text
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 5 = ca. 1934 and before


All listed radios etc. from Royal - see also in text
Here you find 6 models, 5 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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