Black Knight RP74MB

Hacker Radio Ltd., Maidenhead

  • Year
  • 1973
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 246656

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

 Technical Specifications

  • Number of Transistors
  • 13
  • Main principle
  • Superheterodyne (common); ZF/IF 10700 kHz; 4 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)     8 FM circuit(s)
  • Wave bands
  • FM Broadcast Band Only
  • Power type and voltage
  • Line / Batteries (any type) / 240; 8 x 1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical / Ø 7 inch = 17.8 cm
  • Power out
  • 1.5 W (2 W max.)
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: Black Knight RP74MB - Hacker Radio Ltd., Maidenhead
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 12.8 x 8.1 x 4.3 inch / 325 x 206 x 109 mm
  • Notes
  • Equivalent to Black Knight RP74 model, but includes power supply for 240V line in addition to batteries.

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

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