Super inductance 640A

Philips - Schweiz

  • Year
  • 1934/1935
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 13234

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • TRF without regeneration; 2 AF stage(s)
  • Tuned circuits
  • 4 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Details
  • Visual Tuning Indicator pre Eye
  • Power type and voltage
  • Alternating Current supply (AC) / 110-240 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21 cm = 8.3 inch
  • Power out
  • 4.1 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Super inductance 640A - Philips - Schweiz
  • Shape
  • Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
  • Dimensions (WHD)
  • 450 x 570 x 280 mm / 17.7 x 22.4 x 11 inch
  • Notes
  • Feldst.Anz. Lautsprecher Type 4285 mit 10 Ohm
  • Net weight (2.2 lb = 1 kg)
  • 15.3 kg / 33 lb 11.2 oz (33.7 lb)
  • Price in first year of sale
  • 2,500.00 SFr
  • External source of data
  • E. Erb 3-907007-36-0
  • Source of data
  • Radiokatalog Band 2, Ernst Erb
  • Circuit diagram reference
  • Thali-Schemasammlung und Tungsram-Röhrenbestückung.
  • Literature/Schematics (1)
  • -- Original-techn. papers.

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