Sovereign III (3) RP72MB

Hacker Radio Ltd., Maidenhead

  • Year
  • 1973
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 84877

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

 Technical Specifications

  • Number of Transistors
  • 19
  • Main principle
  • Superheterodyne (common); ZF/IF 470/10700 kHz
  • Wave bands
  • Broadcast, Long Wave and FM or UHF.
  • Power type and voltage
  • Line / Batteries (any type) / 240 / D: 8 × 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical / Ø 7 inch = 17.8 cm
  • Power out
  • 2 W (max.)
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: Sovereign III RP72MB - Hacker Radio Ltd., Maidenhead
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 320 x 210 x 110 mm / 12.6 x 8.3 x 4.3 inch
  • Notes
  • Portable mains/battery powered AM/FM transistor radio covering MW (185 - 575 metres),      LW (1070 - 1940 metres) and VHF (87.5 - 101 MHz). Sockets for FM car aerial, AM car aerial, tape recorder (DIN), external mains supply and headphones or external loudspeaker. Elliptical loudspeaker 7 × 5 inch.

    Mains/battery version of the Hacker Sovereign III RP72 battery model.

  • Net weight (2.2 lb = 1 kg)
  • 3.6 kg / 7 lb 14.9 oz (7.93 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Hacker Service Chart for the RP72MB range of AM/FM receivers 1973)

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