• Year
  • 1957/1958
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 29660

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Number of Transistors
  • 3
  • Main principle
  • Superheterodyne (common); ZF/IF 452 kHz; 3 AF stage(s); Reflex
  • Tuned circuits
  • 8 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Dry Batteries / 6 & 45 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Bakelite or Plastics (type unknown)
  • from Radiomuseum.org
  • Model: B3X71BT - Philips; Eindhoven tubes
  • Shape
  • Tablemodel without push buttons, Mantel/Midget/Compact up to 14
  • Dimensions (WHD)
  • 321 x 201 x 164 mm / 12.6 x 7.9 x 6.5 inch
  • Notes
  • Philips B3X71BT is a battery operated 3-band hybrid (tube and transistor) radio.
    The 2nd IF stage is reflexed as the 1st audio amplifier stage.

    See also the Mexican model B4M78BT with similar circuitry but different cabinet.

  • Literature/Schematics (1)
  • -- Original-techn. papers.
  • Author
  • Model page created by Iven Müller. See "Data change" for further contributors.

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