• Year
  • 1933 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 193095

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • TRF with regeneration; Screengrid 1926-1935
  • Tuned circuits
  • 2 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 100 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: National R-48 [chassis only] - Panasonic, Matsushita,
  • Shape
  • Chassis only or for «building in»
  • Notes
  • See also the National R-48 in wooden case (tombstone-shaped).

  • Literature/Schematics (4)
  • National Catalog

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