radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

Power Supply 697

Power Supply 697; National Company; (ID = 740625) Power-S
Power Supply 697; National Company; (ID = 2393332) Power-S Power Supply 697; National Company; (ID = 2393334) Power-S
Power Supply 697; National Company; (ID = 2393333) Power-S Power Supply 697; National Company; (ID = 2397119) Power-S
Power Supply 697; National Company; (ID = 446266) Power-S Power Supply 697; National Company; (ID = 446268) Power-S
Power Supply 697; National Company; (ID = 446267) Power-S Power Supply 697; National Company; (ID = 965946) Power-S
Power Supply 697; National Company; (ID = 965947) Power-S Power Supply 697; National Company; (ID = 1080469) Power-S
Use red slider bar for more.
Power Supply 697; National Company; (ID = 2393332) Power-S
National Company;: Power Supply 697 [Power-S] ID = 2393332 1400x1375
Select picture or schematic to display from thumbnails on the right and click for download.
For model Power Supply 697, National Company; Cambridge & Malden (MA)
 
Country:  United States of America (USA)
Manufacturer / Brand:  National Company; Cambridge & Malden (MA)
alternative name
 
National Toy Co.
Brand
Thrillbox
Year: 1939 Category: Power supply/conditioner or battery or charger 
Valves / Tubes 1: 80
Wave bands - without
Details Power Supply (not only Batt.El.)
Power type and voltage Alternating Current supply (AC) / 115 / 230 Volt
Loudspeaker - - No sound reproduction output.
Power out
from Radiomuseum.org Model: Power Supply 697 - National Company; Cambridge &
Material Metal case
Shape Miscellaneous shapes - described under notes.
Dimensions (WHD) 190 x 170 x 180 mm / 7.5 x 6.7 x 7.1 inch
Notes The National Power Supply model 697 delivers the following the voltages: filaments 6,3 V AC, B+ 240V DC, 70 mA. The 697 is a typical "doghouse" shaped power supply used to power HRO / HRO-5 series receivers and for instance for the HRO-MX.
Collectors' prices  
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 14 = 1944 = before 1943
Mentioned in Rider's Perpetual, Volume 17 = covering 1947 (Rider's page 17-21)


All listed radios etc. from National Company; Cambridge & Malden (MA)
Here you find 430 models, 275 with images and 162 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
rmXorg