• Country
• Great Britain (UK)

• Manufacturer / Brand
• Philips Electrical, Lamps, Industrial - Miniwatt; London

• Year
• 1933 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 238378

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

• Number of Tubes
• 5

• Valves / Tubes
• SG20 SG20 SD20 Pen20 Pen20 1926 or 1927 or 1928

• Main principle
• TRF without regeneration; 2 AF stage(s)

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Direct Current supply (DC) / 110-260 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21 cm = 8.3 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: 634C - Philips Electrical, Lamps,

• Shape
• Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).

• Notes

• Resistor valve (barretter):

  Shorting plug (type 4098) for 110V only.

  type 1926 for 110-130V, 

  type 1927 for 130-200V, 

  type 1928 for 200-240V.

• Price in first year of sale
• 17.70 UKP

• Mentioned in
• Philips Dealers Handbook 1934

• Author
• Model page created by Gidi Verheijen. See "Data change" for further contributors.

• Other Models

• Here you find 426 models, 302 with images and 285 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips Electrical, Lamps, Industrial - Miniwatt; London