• Country
• United States of America (USA)

• Manufacturer / Brand
• National Radio Institute (NRI); Washington, DC

• Year
• 1958 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 320684

• Number of Transistors
• 6

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast only (MW).

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

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

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Six Transistor - National Radio Institute NRI;

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes

• Externally similar to the Three Transistor set.

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

• Other Models

• Here you find 20 models, 20 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from National Radio Institute (NRI); Washington, DC