• Year
  • 1953
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 106008

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 Technical Specifications

  • Number of Tubes
  • 5
  • Number of Transistors
  • Main principle
  • Superhet with RF-stage; ZF/IF 470 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Line / Batteries (any type) / AC/DC: 200; 220; 245 / 2 x 4.5 & 2 x 45 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: 523UB -15 - Philips Electrical, Lamps,
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 12.25 x 11 x 6.75 inch / 311 x 279 x 171 mm
  • Notes
  • AC/DC mains or dry battery. Set has facility to "recharge" [more precise: refresh] the HT battery. Electrical and Radio Trading describes the circuitry as "Battery Vitalizing": When the receiver is fitted with batteries it is possible to prolong life of H.T. battery by "charging" it from the mains [...] Charging current is approximately 7 mA.
    Metal rectifier.

  • Circuit diagram reference
  • Radio and TV Servicing books (R&TVS) book
  • Mentioned in
  • -- Original-techn. papers.
  • Literature/Schematics (1)
  • - - Manufacturers Literature
  • Literature/Schematics (2)
  • Trader sheet 1104
  • Author
  • Model page created by Mario Coelho. See "Data change" for further contributors.

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