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J-8

J-8 ; Motorola Inc. ex (ID = 512203) Radio
J-8 ; Motorola Inc. ex (ID = 1962611) Radio J-8 ; Motorola Inc. ex (ID = 1962612) Radio
J-8 ; Motorola Inc. ex (ID = 1962613) Radio J-8 ; Motorola Inc. ex (ID = 1962614) Radio
J-8 ; Motorola Inc. ex (ID = 1962616) Radio J-8 ; Motorola Inc. ex (ID = 1962617) Radio
J-8 ; Motorola Inc. ex (ID = 1962618) Radio
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J-8 ; Motorola Inc. ex (ID = 1962611) Radio
Motorola Inc. ex: J-8 [Radio] ID = 1962611 828x1166
Select picture or schematic to display from thumbnails on the right and click for download.
For model J-8, Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL):
As found, looks original. The cable connecting the remote portion to to speaker and power supply portion is not shown in this photo.
 
Country:  United States of America (USA)
Manufacturer / Brand:  Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)
Year: 1934 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: 6D6 6A7 6D6 75 43 25Z5
Main principle Superhet with RF-stage; ZF/IF 175 kHz
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage AC/DC-set / 110 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6.5 inch = 16.5 cm
Power out
from Radiomuseum.org Model: J-8 - Motorola Inc. ex Galvin Mfg.Co
Material Wooden case
Shape Miscellaneous shapes - described under notes.
Notes

This radio consists of a floor or table/shelf unit containing the speaker, power supply, and audio output tube and a remote control unit on the end of an approximately 18' long cable. Neither part is usable independently. The remote control unit contains four tubes. Page 564 of the March, 1934 issue of Radio News mentions that this model has recently been announced (along with the fancier Model S-10), so it definitely is a 1934 model.

External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 4 = ca. 1934 and before
Mentioned in Radio News (March 1934, p. 564)


All listed radios etc. from Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)
Here you find 4105 models, 2817 with images and 3743 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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