• Country
• United States of America (USA)

• Manufacturer / Brand
• National Radio Company; New York City, New York

• Year
• 1933 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 303711

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

• Number of Tubes
• 5

• Valves / Tubes
• 77 78 77 43 25Z5

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); Special type of reception - please describe.

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 125 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5 inch = 12.7 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Supremo - National Radio Company; New

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

• Dimensions (WHD)
• 280 x 185 x 135 mm / 11 x 7.3 x 5.3 inch

• Author
• Model page created by Victor Boj Cabistañ. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 2 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from National Radio Company; New York City, New York