• Country
• United States of America (USA)

• Manufacturer / Brand
• Stewart (Lynn Stewart Co.); Chicago, IL

• Year
• 1980 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 309930

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• Dry Batteries / AA: 4 x 1.5 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Portable FM/AM Radio Solid State ST311A - Stewart Lynn Stewart Co.;

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Notes

• Similar to other models listed under Sanyo RP5040A.

• Author
• Model page created by Aldo Andreani. See "Data change" for further contributors.

• Other Models

• Here you find 33 models, 33 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stewart (Lynn Stewart Co.); Chicago, IL