• Country
• United States of America (USA)

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

• Year
• 1960

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 79047

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 7

• Valves / Tubes
• 6BE6 6BA6 12AX7 12AU7 6BQ5 6BQ5 5U4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

• Loudspeaker
• 4 Loudspeakers

• from Radiomuseum.org
• Model: SF174 4B22Z & 3B30 - Zenith Radio Corp.; Chicago,

• Notes
• RF-Chassis = 4B22Z, Power Supply & Amp Chassis = 3B30

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 20, 1960

• Author
• Model page created by Trev Levick. See "Data change" for further contributors.

• Other Models

• Here you find 4491 models, 4096 with images and 3595 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL