• Country
• United States of America (USA)

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

• Year
• 1919

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 213804

• • alternative name: Chicago Radio Lab

• Number of Tubes
• 1

• Valves / Tubes
• VT-1 or VT-Class-I or B_Moorhead-Shaw

• Main principle
• Detector with Vacuum Tube (Valve), no tuner

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Audion Detector Cabinet Type AD-1 - Zenith Radio Corp.; Chicago,

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes
• Pre-Zenith Chicago Radio Laboratory Audion Detector Cabinet Type AD-1. Licensed under DeForest patents Nos. 841,387 and 879,532.

• Price in first year of sale
• 11.00 $

• Literature/Schematics (1)
• September 1919 QST magazine page 43

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 4419 models, 4019 with images and 3516 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL