• Country
• France

• Manufacturer / Brand
• Philips France; Paris

• Year
• 1932/1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 97746

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

• Number of Tubes
• 4

• Valves / Tubes
• E438 E438 C453 or C443 1823 or 506

• Main principle
• TRF with regeneration; 2 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and more than two Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 110-245 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 17 cm = 6.7 inch

• Power out
• 2.8 W (unknown quality)

• Material
• Special material, described in the notes.

• from Radiomuseum.org
• Model: 938A - Philips France; Paris

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 345 x 320 x 195 mm / 13.6 x 12.6 x 7.7 inch

• Notes

• Reaction coils with fixed position; feedback regulated by C13. Grid Detection done by first tube E438, which is shielded to neutralize the magnetic field of the loudspeaker. 

  LW, BC and SW are divided in 6 ranges:

  • I. 15 - 33 m
  • II. 32 - 90 m
  • III. 85 - 200 m
  • IV. 200 - 400 m
  • V. 400 - 950 m
  • VI. 950 - 2000 m

  Housing in Arbolite, front panel in Philite (Bakelite).

  Model 938AS is provided with a filter on the rear panel for the suppression of strong, interfering local stations.

  Note: the original service manual lists a tube complement of E438, E438, C453 and 1823. This has been corrected to E438, E438, C443 and 506 later (errata). Both complements are interchangeable, for the differences between C453 and C443 (and 1823 and 506) see the notes on tube C453.

   

• Price in first year of sale
• 1,250.00 FRF

• Mentioned in
• -- Original prospect or advert (L'Ouest-Éclair, 12.09.1932)

• Literature/Schematics (1)
• Schémathèque Toute la Radio (STR) (No. 138)

• Literature/Schematics (2)
• -- Original-techn. papers.

• Author
• Model page created by Peter Hoddow. See "Data change" for further contributors.

• Other Models

• Here you find 615 models, 552 with images and 335 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips France; Paris