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R 4

R 4 ; De Forest DeForest (ID = 1201529) Radio R 4 ; De Forest DeForest (ID = 1201530) Radio
R 4 ; De Forest DeForest (ID = 1201531) Radio R 4 ; De Forest DeForest (ID = 1201532) Radio
R 4 ; De Forest DeForest (ID = 1201533) Radio R 4 ; De Forest DeForest (ID = 1201534) Radio
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R 4 ; De Forest DeForest (ID = 1201529) Radio
De Forest DeForest: R 4 [Radio] ID = 1201529 933x675
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For model R 4, De Forest (DeForest) Crosley Radio, Consolidated Industries; Toronto:
Ebay Item number: 270948114725
 
Country:  Canada
Manufacturer / Brand:  De Forest (DeForest) Crosley Radio, Consolidated Industries; Toronto
Year: 1925 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4:
Main principle TRF with regeneration; Reflex
Tuned circuits 2 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Storage and/or dry batteries
Loudspeaker - This model requires external speaker(s).
Power out
from Radiomuseum.org Model: R 4 - De Forest DeForest Crosley
Material Wooden case
Shape Tablemodel, slant panel.
Dimensions (WHD) 28 x 14 x 14 inch / 711 x 356 x 356 mm
Notes Super-Trirdyn circuit. Rich two-tone Adam Brown Mahogany Cabinet.
Price in first year of sale 135.00 $
Source of data Radio Manufacturers of the 1920s, Vol 1

Model page created by Reinhard Peyerl. See "Data change" for further contributors.



All listed radios etc. from De Forest (DeForest) Crosley Radio, Consolidated Industries; Toronto
Here you find 250 models, 105 with images and 169 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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