• Year
  • 1928
  • Category
  • Kit (Parts plus instruction) or building instructions only
  • Radiomuseum.org ID
  • 231355

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

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • TRF with regeneration; 2 AF stage(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Storage and/or dry batteries / 120 & 2 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • from Radiomuseum.org
  • Model: Master Three Star - Mullard Wireless, London see
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Alternate names are "Master Three *", "Master Three Star" and "New Master Three"

    "only twenty-one wires" (One more than original Master Three)

    Optional HF unit and Mullard "E" Type Pure Music Speaker.

    No soldering required,

    Probably used something like a  Winner 126GB (or any user external HT with taps and Grid bias) and 2V wet Lead Acid LT.

    Refers to "MW" as "Short Waves" and simplified schematic doesn't show waveband switch connections on coils.

    The supplied kit includes front panel and base (possibly Ebonite and Bakelite).

  • Literature/Schematics (1)
  • "Radio for the Million" Vol2 No 4 1928
  • Author
  • Model page created by Michael Watterson. See "Data change" for further contributors.

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