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730 ; Zenith Radio Corp.; (ID = 1006003) Radio
730 ; Zenith Radio Corp.; (ID = 1006004) Radio
730 ; Zenith Radio Corp.; (ID = 264448) Radio
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730 ; Zenith Radio Corp.; (ID = 264448) Radio
Zenith Radio Corp.;: 730 [Radio] ID = 264448 347x457
Select picture or schematic to display from thumbnails on the right and click for download.
For model 730, Zenith Radio Corp.; Chicago, IL:
Image shows model 715. Model 730 use the same cabinet.
Country:  United States of America (USA)
Manufacturer / Brand:  Zenith Radio Corp.; Chicago, IL
alternative name
Chicago Radio Lab
Year: 1934 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 32 30 34 34 19
Main principle Superheterodyne (common); ZF/IF 175 kHz
Wave bands Broadcast only (MW).
Power type and voltage Storage and/or dry batteries
Loudspeaker Magnetic loudspeaker (reed) generic.
Power out
from Model: 730 - Zenith Radio Corp.; Chicago,
Material Wooden case
Shape Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
Notes Chassis made for Zenith by Wells-Gardner (Moel 06A). Grinder in error states Midget case, but Model 730 is a Tombstone.
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 4 = ca. 1934 and before
Mentioned in Zenith Radio The Early Years 1919-1935

All listed radios etc. from Zenith Radio Corp.; Chicago, IL
Here you find 4275 models, 3894 with images and 3389 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.