• Country
• United States of America (USA)

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

• Year
• 1941

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 213644

• • alternative name: Chicago Radio Lab

• Number of Tubes
• 6

• Valves / Tubes
• 12J7 12SA7 12K7 12SQ7 35L6 35Z5

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 115 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 4 inch = 10.2 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 6D520 Ch= 6A26 [wood] - Zenith Radio Corp.; Chicago,

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 13.25 x 8 x 7.5 inch / 337 x 203 x 191 mm

• Notes
• Zenith model 6D520 in wooden cabinet. See also the bakelite version 6D520.

• Net weight (2.2 lb = 1 kg)
• 7 lb 8 oz (7.5 lb) / 3.405 kg

• Other Models

• Here you find 4513 models, 4102 with images and 3644 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL