• Country
• United States of America (USA)

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

• Year
• 1940/1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 50669

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

• Number of Tubes
• 5

• Valves / Tubes
• 7A8 7B7 7C6 35A5 35Z3

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Wave bands
• Broadcast only (MW).

• Details
• Record Player (perh.Changer)

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Power out
• 1 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 40-502P [Late] - Philco, Philadelphia Stg. Batt

• Shape
• Tablemodel, with any shape - general.

• Notes
• Philco model 40-502P is a radio-phonograph with an early and late version. The early version has a code 121 chassis and a cabinet with horizontal bars over the left and right speaker grills; the late version has a code 122 chassis (slightly different tone control wiring than code 121) and two vertical bars over each speaker grill.
  
  The 40-501P radio-phonograph has a very similar chassis, but with no tone control.

• External source of data
• Ernst Erb

• Source of data
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Circuit diagram reference
• Rider's Perpetual, Volume 12 = ca. 1941 and before

• Mentioned in
• Philco Radio 1928-1942

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 03, 1940 (Philco 1940 RMS Year Book)

• Other Models

• Here you find 4085 models, 2222 with images and 3733 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA