Super inductance 638A

• Country
• Netherlands

• Manufacturer / Brand
• Philips; Eindhoven (tubes international!); Miniwatt

• Year
• 1934/1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 29510

• Picture
• Schematics

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

• Number of Tubes
• 6

• Valves / Tubes
• AF2 AF2 AB1 E446 E463 506 or 1823

• Main principle
• TRF without regeneration

• Tuned circuits
• 4 AM circuit(s)

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

• 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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Super inductance 638A - Philips; Eindhoven tubes

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Dimensions (WHD)
• 385 x 470 x 234 mm / 15.2 x 18.5 x 9.2 inch

• Notes
• Super-Inductive-Prinzip

• Price in first year of sale
• 198.00 hfl

• Source of data
• Overzicht v.de toe te p PHILIPS

• Mentioned in
• Technisch- Commercieel - Radio Vademecum Staleman

• Author
• Model page created by Iven Müller. See "Data change" for further contributors.

• Other Models

• Here you find 5277 models, 4424 with images and 3459 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt