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4QB4 Ch= RC-440A

4QB4 Ch= RC-440A; RCA RCA Victor Co. (ID = 984145) Radio
 
4QB4 Ch= RC-440A; RCA RCA Victor Co. (ID = 984146) Radio
 
4QB4 Ch= RC-440A; RCA RCA Victor Co. (ID = 984147) Radio
 
4QB4 Ch= RC-440A; RCA RCA Victor Co. (ID = 984148) Radio
 
4QB4 Ch= RC-440A; RCA RCA Victor Co. (ID = 984150) Radio
 
4QB4 Ch= RC-440A; RCA RCA Victor Co. (ID = 984151) Radio
 
4QB4 Ch= RC-440A; RCA RCA Victor Co. (ID = 950430) Radio
 
4QB4 Ch= RC-440A; RCA RCA Victor Co. (ID = 950431) Radio
 
4QB4 Ch= RC-440A; RCA RCA Victor Co. (ID = 950434) Radio
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4QB4 Ch= RC-440A; RCA RCA Victor Co. (ID = 984145) Radio
Select picture or schematic to display from thumbnails on the right and click for download.
 
Country:  United States of America (USA)
Manufacturer / Brand:  RCA (RCA Victor Co. Inc.); New York (NY)
alternative name
 
RCA Manufacturing || Victor Talking Machine
Year: 1939 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: 1A7G 1N5G 1H5G 1C5G
Main principle Superheterodyne (common); ZF/IF 455 kHz
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast, Long Wave and Short Wave.
Details
Power type and voltage Dry Batteries / 1.5 & 2 x 45 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
Power out 0.18 W (unknown quality)
from Radiomuseum.org Model: 4QB4 Ch= RC-440A - RCA RCA Victor Co. Inc.; New
Material Bakelite or Plastics (type unknown)
Shape Tablemodel without push buttons, Mantel/Midget/Compact up to 14
Dimensions (WHD) 13.5 x 9.75 x 8.875 inch / 343 x 248 x 225 mm
External source of data Ernst Erb
Source of data Collector's Guide to Antique Radios (6th edition)
Circuit diagram reference Rider's Perpetual, Volume 11 = ca. 1940 and before
Literature/Schematics (1) RCA Victor Service Notes "Red Book" Series


All listed radios etc. from RCA (RCA Victor Co. Inc.); New York (NY)
Here you find 4928 models, 2898 with images and 4002 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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