7S530 Ch= 7A02

• Country
• United States of America (USA)

• Manufacturer / Brand
• Zenith Radio Corp.; Chicago, IL

• Year
• 1940/1941

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 68025

• • alternative name: Chicago Radio Lab

• Picture
• Schematics

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Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 7

• Valves / Tubes
• 1232 or 7G7 7B8 7A7 7A4 7B4 6F6G 6X5G

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Power out
• 6.5 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 7S530 Ch= 7A02 - Zenith Radio Corp.; Chicago,

• Shape
• Tablemodel with Push Buttons.

• Notes
• Note:
  There is only a Zenith 7S530, not a 7S630 known. Unfortunately the often poor type marking leads into some misinterpretation about this issue!

• 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 12 = ca. 1941 and before

• Mentioned in
• Collector's Guide to Antique Radios 4. Edition

• Literature/Schematics (1)
• Machine Age to Jet Age II (page 323.)

• Other Models

• Here you find 4491 models, 4096 with images and 3604 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL