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

04BR-729A

04BR-729A ; Montgomery Ward & Co (ID = 529563) Radio
04BR-729A ; Montgomery Ward & Co (ID = 772943) Radio 04BR-729A ; Montgomery Ward & Co (ID = 55320) Radio
Use red slider bar for more.
04BR-729A ; Montgomery Ward & Co (ID = 772943) Radio
Montgomery Ward & Co: 04BR-729A [Radio] ID = 772943 800x763
Select picture or schematic to display from thumbnails on the right and click for download.
For model 04BR-729A, Montgomery Ward & Co.,(Wards, Airline); Chicago (IL)
 
Country:  United States of America (USA)
Manufacturer / Brand:  Montgomery Ward & Co.,(Wards, Airline); Chicago (IL)
Brand
 
Airline or Air-Line
Year: 1940 Type: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 7: 6SA7 6SK7 6SQ7 6J5GT 6K6GT 6K6G 5Y3G
Principle Super-Heterodyne (Super in general); ZF/IF 455 kHz; 2 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast and Short Wave (SW).
Details
Power type and voltage Alternating Current supply (AC) / 105-125 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 10 inch = 25.4 cm
Power out 3 W (unknown quality)
from Radiomuseum.org Model: 04BR-729A - Montgomery Ward & Co.,Wards,
Material Wooden case
Shape Console with any shape - in general
Dimensions (WHD) 17 x 15.5 x 9 inch / 432 x 394 x 229 mm
Notes BC (535-1600 kHz) and SW (5.4-18.4 MHz) bands. Loop antenna as first RF circuit for BC band. Push-pull audio amplifier. 6 or 10 inch speaker depending on cabinet.
Collectors' prices  
External source of data Ernst Erb
Source of data The Radio CollectorGrinder, 1995
Circuit diagram reference Rider's Perpetual, Volume 12 = ca. 1941 and before

All listed radios etc. from Montgomery Ward & Co.,(Wards, Airline); Chicago (IL)
Here you find 1755 models, 809 with images and 1483 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.


  
rmXorg