• Year
  • 1933/1934
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 13215

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

 Technical Specifications

  • Number of Tubes
  • 5
  • 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) / 110-240 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21 cm = 8.3 inch
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 634C - Philips - Schweiz
  • Shape
  • Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).
  • Dimensions (WHD)
  • 515 x 480 x 310 mm / 20.3 x 18.9 x 12.2 inch
  • Notes
  • ("Frühlingsbote") [725101B] . Lautsprecher Type 2158 mit 4 Ohm


    Resistor valve (barretter):
    1926 for 110-130V, 
    1927 for 130-200V, 
    1928 for 200-240V.

  • Net weight (2.2 lb = 1 kg)
  • 17 kg / 37 lb 7.1 oz (37.445 lb)
  • Price in first year of sale
  • 3,050.00 FF
  • External source of data
  • E. Erb 3-907007-36-0
  • Source of data
  • Radiokatalog Band 2, Ernst Erb
  • Literature/Schematics (1)
  • -- Original-techn. papers.

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