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R-646 ; National (ID = 321458) Radio
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R-646 ; National (ID = 321458) Radio
Select picture or schematic to display from thumbnails on the right and click for download.
Country:  United States of America (USA)
Manufacturer / Brand:  National Cooperatives, Inc.; Chicago
Year: 1951 ?? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: 14A7 14Q7 14A7 14B6 50A5 35Y4
Main principle Superhet with RF-stage; ZF/IF 465 kHz; 2 AF stage(s)
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage AC/DC-set / 115 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm
Power out
from Model: R-646 - National Cooperatives, Inc.;
Shape Tablemodel, with any shape - general.
Circuit diagram reference Rider's Perpetual, Volume 19 = 1949 and before

Model page created by Egon Penker. See "Data change" for further contributors.

All listed radios etc. from National Cooperatives, Inc.; Chicago
Here you find 8 models, 3 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.