• Year
  • 1925
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 46838

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case, TUBES VISIBLE.
  • from Radiomuseum.org
  • Model: Baby Grand - Marwol Radio Corp.; New York
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • Baby Grand Marwol Five Tube Tuned Radio Frequency Receiver. Three dials (primary tuning control knobs)
  • Price in first year of sale
  • 40.00 $
  • External source of data
  • Ernst Erb
  • Literature/Schematics (4)
  • April 1925 Radio Broadcast magazine page 1161

 Collections | Museums | Literature

 Forum