• Country
• United States of America (USA)

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

• Year
• 1950 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 274610

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 6

• Valves / Tubes
• 6BE6 6BA6 6BA6 6AQ5 12AU7A 5Y3GT

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• Power out
• 4 W (undistorted)

• from Radiomuseum.org
• Model: Correspondence course study/test radio N/A- - National Radio Institute NRI;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 13 x 7 x 9 inch / 330 x 178 x 229 mm

• Notes

• This is the National Radio Institute's AM receiver offered as part of their radio repairman course.

• Net weight (2.2 lb = 1 kg)
• 4 lb (4 lb 0 oz) / 1.816 kg

• Author
• Model page created by Brent Hood. See "Data change" for further contributors.

• Other Models

• Here you find 20 models, 20 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from National Radio Institute (NRI); Washington, DC