52-540-M Code 122 Transitone

Philco, Philadelphia Stg. Batt. Co.; USA

  • Year
  • 1951/1952
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 51027

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

 Technical Specifications

  • Number of Tubes
  • 5
  • 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
  • AC/DC-set / 105 - 125 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: 52-540-M Code 122 Transitone - Philco, Philadelphia Stg. Batt
  • Shape
  • Tablemodel without push buttons, Mantel/Midget/Compact up to 14
  • Dimensions (WHD)
  • 11 x 5.5 x 5 inch / 279 x 140 x 127 mm
  • Notes
  • Color= Mahogany. There are different output tubes listed: Beitman featured the 50L6GT, Rider's a 35L6GT, while Sam's shows a 50L6GT in the schematic, but mentions also a 35L6. To be on the safe side we list the models separately, since printed labels stating different tubes had been applied to the radios.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 23 (last), covering up to 1954
  • Literature/Schematics (3)
  • Philco Folder 180-3436 for 1952.

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