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K50 Ch= RC-497 2nd production

K50 Ch= RC-497; RCA RCA Victor Co. (ID = 978910) Radio
 
K50 Ch= RC-497; RCA RCA Victor Co. (ID = 978911) Radio
 
K50 Ch= RC-497; RCA RCA Victor Co. (ID = 978912) Radio
 
K50 Ch= RC-497; RCA RCA Victor Co. (ID = 978913) Radio
 
K50 Ch= RC-497; RCA RCA Victor Co. (ID = 893905) Radio
 
K50 Ch= RC-497; RCA RCA Victor Co. (ID = 893907) Radio
K50 Ch= RC-497; RCA RCA Victor Co. (ID = 1089180) Radio
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K50 Ch= RC-497; RCA RCA Victor Co. (ID = 1089180) Radio
RCA RCA Victor Co.: K50 Ch= RC-497 [Radio] ID = 1089180 418x701
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For model K50 Ch= RC-497 2nd production, RCA (RCA Victor Co. Inc.); New York (NY):
Data taken from RCA Service Notes
 
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 5: 6SA7 6K7 6SQ7 6F6G 5Y3G
Main principle Superheterodyne (common); ZF/IF 455 kHz
Wave bands Broadcast only (MW).
Details
Power type and voltage Alternating Current supply (AC)
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 12 inch = 30.5 cm
Power out 2 W (unknown quality)
from Radiomuseum.org Model: K50 Ch= RC-497 [2nd production] - RCA RCA Victor Co. Inc.; New
Material Wooden case
Shape Console with any shape - in general
Dimensions (WHD) 24 x 37.25 x 11.125 inch / 610 x 946 x 283 mm
Notes This model has 3 power supply ratings:
Rating A...105-125V, 50-60 Cycles
Rating B...105-125V, 25-60 Cycles
Rating C...105-125;200-250V, 50-60 Cycles
Net weight (2.2 lb = 1 kg) 37 lb (37 lb 0 oz) / 16.798 kg
External source of data Ernst Erb
Source of data The Radio Collector's Directory and Price Guide 1921 - 1965
Circuit diagram reference Rider's Perpetual, Volume 11 = ca. 1940 and before
Mentioned in Guide to Old Radios
Literature/Schematics (1) Pre-War Consoles
Literature/Schematics (2) 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, 2897 with images and 4002 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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