• Country
• United States of America (USA)

• Manufacturer / Brand
• Philco, Philadelphia Stg. Batt. Co.; USA

• Year
• 1948

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 18845

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

• Number of Tubes
• 5

• Valves / Tubes
• 7A8 14A7 14B6 50A5 35Z5GT

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 117 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 48-250-I Transitone Code 121 - Philco, Philadelphia Stg. Batt

• Shape
• Tablemodel, with any shape - general.

• Notes
• Color ivory (model 48-250 is brown). Code 122: Identical but Electrodynamic Speaker.

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Collector's Guide to Antique Radios (6th edition)

• Circuit diagram reference
• Rider's Perpetual, Volume 18 = 1949 and before

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 1-48, Set 32, Folder 17)

• Other Models

• Here you find 4072 models, 2221 with images and 3721 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA