• Year
  • 1951/1952
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 51041

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Line / Batteries (any type) / AC/DC 117=105-125/ 67.5 & 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4.6 inch = 11.7 cm
  • Power out
  • 0.15 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: 52-640 - Philco, Philadelphia Stg. Batt
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 9.88 x 8 x 3.75 inch / 251 x 203 x 95 mm
  • Notes
  • Philco model 52-640 is a three power operated portable superheterodyne receiver with loop antenna. Selenium Rectifier. Color: Maroon.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Beitman Radio Diagrams Vol. 12, 1952
  • Literature/Schematics (3)
  • Philco Folder 180-3436 for 1952.

 Collections | Museums | Literature

Collections

The model 52-640 is part of the collections of the following members.

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