• Year
  • 1925
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 52590

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • TRF without regeneration
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage and/or dry batteries / 4 & 90 & 4.5 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 52 - Radio Products Manufacturing
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 31 x 10 x 12 inch / 787 x 254 x 305 mm
  • Notes
  • Three dials (primary tuning control knobs). Same as model 50, in solid walnut cabinet, plate glass front above panels. "A" storage battery or dry cell, "B" 90 volts, and "C" 4.5 volts.

    Listed as RPM-52 in "Vintage Radio".

  • Net weight (2.2 lb = 1 kg)
  • 23 lb (23 lb 0 oz) / 10.442 kg
  • Price in first year of sale
  • 135.00 $
  • Literature/Schematics (1)
  • Radio Industry, April 1925, p.42
  • Author
  • Model page created by Peter Rutishauser. See "Data change" for further contributors.

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