• Year
  • 1929
  • Category
  • Kit (Parts plus instruction) or building instructions only
  • Radiomuseum.org ID
  • 235454

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • TRF with regeneration; 1 AF stage(s); Anode bend detection
  • Tuned circuits
  • 2 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 240 Volt
  • Loudspeaker
  • Magnetic loudspeaker (reed) generic.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Orgola A. C. - Mullard Wireless, London see
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Similar to the Orgola, but with changes for Indirect valves. Requires a Grid Bias battery. 16V Siemens G.3. There is also an Orgola Senior.

    A typical Kit TRF Radio of the "SG Det Pen" type (i.e. Screen Grid (Tetrode) RF, Triode detector and Pentode audio output) of late 1920s / early 1930s

    Medium Wave described as "Short Wave".

    Gram/P.U. Selection option.

    Mullard Model H loudspeaker recommended or Model C (no output transformer, so high impedance headphones, horn or "reed" type speaker).

    Separate heater filament transformer and H.T. Unit.

     

  • Mentioned in
  • - - Manufacturers Literature (Radio for the Million Vol. 4 No.1 September 1929)
  • Author
  • Model page created by Michael Watterson. See "Data change" for further contributors.

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