• Country
• United States of America (USA)

• Manufacturer / Brand
• Silver - Marshall; Chicago, IL

• Year
• 1931 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 57940

• Number of Tubes
• 9

• Valves / Tubes
• 35 24 27 35 35 27 47 47 80

• Main principle
• Superheterodyne (common); ZF/IF 650 kHz

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Metal case

• from Radiomuseum.org
• Model: 726 [new] - Silver - Marshall; Chicago, IL

• Shape
• Chassis only or for «building in»

• Notes
• See the different models 726 (new and old versions). If this model 726 had for the start the tube '35 then it can only be from May 1931 or later. One dial (primary tuning control knob); push-pull output stage.

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Other Models

• Here you find 225 models, 116 with images and 122 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Silver - Marshall; Chicago, IL