Octode Super 522U

• Country
• Netherlands

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

• Year
• 1934/1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 26918

• 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
• CK1 CF2 CB1 CF7 CL2 CY1 C1

• Conflicting model year with tube data.
• The model date contradicts tube dates. [ CF7 (1935)]

• Main principle
• Superheterodyne (common); ZF/IF 104 kHz

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• AC/DC-set / 110-130; 200-250 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Octode Super 522U - Philips; Eindhoven tubes

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 350 x 410 x 215 mm / 13.8 x 16.1 x 8.5 inch

• Notes
• Eingangsbandfilter. Auch CF1 statt CF7 kommt vor. 115 kHz ZF bei Ausführung 522U-4. Lautsprecher Type 4283 mit 10 Ohm.

• Net weight (2.2 lb = 1 kg)
• 9.5 kg / 20 lb 14.8 oz (20.925 lb)

• Price in first year of sale
• 160.00 FL

• 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 5250 models, 4394 with images and 3451 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt