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B56

B56; RGD, Radio (ID = 577296) Radio
 
B56; RGD, Radio (ID = 577297) Radio
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B56; RGD, Radio (ID = 577296) Radio
Select picture or schematic to display from thumbnails on the right and click for download.
 
Country:  Great Britain (UK)
Manufacturer / Brand:  RGD, Radio Gramophone Development; Birmingham
Year: 1958 ? Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 6: OC44 OC45 OC45 OC71 OC72 OC72
Main principle Superheterodyne (common); ZF/IF 475 kHz; 2 AF stage(s)
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast (MW) and Long Wave.
Details
Power type and voltage Dry Batteries / 2 x 6 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
Power out
from Radiomuseum.org Model: B56 - RGD, Radio Gramophone
Shape Portable set > 8 inch (also usable without mains)
Notes Only preset tuning on LW.
Source of data -- Schematic
Circuit diagram reference Radio and TV Servicing books (R&TVS) book

Model page created by Keith Staines. See "Data change" for further contributors.



All listed radios etc. from RGD, Radio Gramophone Development; Birmingham
Here you find 140 models, 104 with images and 66 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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