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K4Wd

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K4Wd; Nora; Berlin (ID = 365409) Radio
Nora; Berlin: K4Wd [Radio] ID = 365409 933x507
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For model K4Wd, Nora; Berlin
 
Country:  Germany
Manufacturer / Brand:  Nora; Berlin
Year: 1929/1930 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: REN804 REN1004 REN1004 RE134 or RE304 RGN1500
schematic requested
Main principle TRF (Tuned-Radio-Frequency but use of regeneration unknown); 1 Special; 2 AF stage(s)
Tuned circuits 2 AM circuit(s)
Wave bands Broadcast (MW) and Long Wave.
Details
Power type and voltage Alternating Current supply (AC) / 120; 220; 240 Volt
Loudspeaker - This model requires external speaker(s).
Power out
from Radiomuseum.org Model: K4Wd - Nora; Berlin
Material Wooden case
Notes N-D.DD+Korr
Price in first year of sale 367.00 RM
Collectors' prices  
Source of data Lehner & Küchenmeister 1929 / Radiokatalog Band 1, Ernst Erb
Circuit diagram reference Röhren in FS-Bestückungstabellen


All listed radios etc. from Nora; Berlin
Here you find 610 models, 525 with images and 335 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.





  
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