• Country
• United States of America (USA)

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

• Year
• 9999

• Category
• Commercial Transmitter (TX not Transceiver)

• Radiomuseum.org ID
• 74120

• • alternative name: Chicago Radio Lab

• Number of Tubes
• 0

• Valves / Tubes
• 6F5G 41 84

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

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

• from Radiomuseum.org
• Model: Doublet ID = 74119 - Zenith Radio Corp.; Chicago,

• Notes
• Microphone / Transmitter unit of RA-TA; f=300kHz fixed; see RA-TA and RA Radio Nurse; painted ivory color;

• Literature/Schematics (1)
• Zenith schematics 1/501

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 4491 models, 4096 with images and 3601 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL