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938A

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938A; Philips France; (ID = 1752411) Radio
Philips France;: 938A [Radio] ID = 1752411 1280x1152
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For model 938A, Philips France; Paris
 
Country:  France
Manufacturer / Brand:  Philips France; Paris
Year: 1932/1933 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: 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 (MW) and Long Wave.
Details
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)
from Radiomuseum.org Model: 938A - Philips France; Paris
Material Special material, described in the notes.
Shape Tablemodel, low profile (big size).
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).

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.

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



All listed radios etc. from Philips France; Paris
Here you find 589 models, 525 with images and 322 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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