• Country
• United States of America (USA)

• Manufacturer / Brand
• Simplex Radio Co.; Philadelphia, PA and Sandusky, OH

• Year
• 1931 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 58039

• Number of Tubes
• 5

• Valves / Tubes
• 32 32 32 31 31

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Direct Current supply (DC)

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

• from Radiomuseum.org
• Model: 6 tube TRF [var 2] - Simplex Radio Co.;

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• External source of data
• Ernst Erb

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

• Other Models

• Here you find 178 models, 91 with images and 64 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Simplex Radio Co.; Philadelphia, PA and Sandusky, OH