• Country
• United States of America (USA)

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

• Year
• 1948

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 110590

• • alternative name: Chicago Radio Lab

• Number of Tubes
• 8

• Valves / Tubes
• 1LN5 1LA6 1LN5 1LD5 1LE3 1LB4 1LB4 117Z3

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

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Line / Batteries (any type) / 110/220 AC/DC; 90 & 9 & 1.5 V Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Trans-Oceanic 8G005BTZ1 Ch= 8C40BTZ1 - Zenith Radio Corp.; Chicago,

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes
• Export model for 110/220 V AC/DC.
  RF stage for BC only. 5 spread SW bands: 49, 31, 25, 19, 16 meters. Push pull output stage.

• Circuit diagram reference
• Rider's Perpetual, Volume 15 = 1947 and before

• Literature/Schematics (1)
• Zenith Service

• Author
• Model page created by Werner Gertsch. 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