• Country
• United States of America (USA)

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

• Year
• 1939/1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 50671

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

• Number of Tubes
• 4

• Valves / Tubes
• 1A7G 1N5G 1H5G 1C5G

• Main principle
• Superheterodyne (common); ZF/IF 470 kHz; 2 AF stage(s)

• Wave bands
• Broadcast only (MW).

• Details
• Record Player (perh.Changer)

• Power type and voltage
• Storage and/or dry batteries / 90 & 1.5 Volt

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

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: 40-504P Radio-Phonograph - Philco, Philadelphia Stg. Batt

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 13.6 x 10 x 10.8 inch / 345 x 254 x 274 mm

• Notes

• Model 40-504 has a battery operated radio chassis and a hand-wound spring motor for its phonograph turntable. This model 40-504 not to be confused with Radio-Phonograph 504 (originating from 1933).

• Price in first year of sale
• 46.00 $

• External source of data
• Ernst Erb

• Source of data
• Collector's Guide to Antique Radios 4. Edition

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

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965 (Philco Radio 1928-1942, Ramirez)

• Literature/Schematics (1)
• Philco 1940 RMS Yearbook

• Literature/Schematics (3)
• Philco Folder PR-739, for 1940

• Other Models

• Here you find 4007 models, 2207 with images and 3656 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA