• Year
  • 1927
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 202864

Audio (to hear)

 Technical Specifications

  • Number of Tubes
  • 7
  • Valves / Tubes
  • Main principle
  • Superheterodyne (common)
  • Tuned circuits
  • 2 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • Magnetic loudspeaker (reed) generic.
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: Selector Super - Selector Brand, Selectors Ltd.
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 18 x 18 x 8 inch / 457 x 457 x 203 mm
  • Notes
  • The Selector Super stands out. As in the previous models, the superheterodyne type of circuit is employed, and the intermediate frequency stages are adequately shielded, thereby entirely eliminating long-wave "pick-up."
    A large Amplion cone speaker is now fitted, and the low-frequency stages have been designed to operate it to its best advantage. The voltage of the high-tension accumulator has been increased and correspondingly the volume of reception is greater. The H.T. accumulator has a capacity of 1,500 milliamps and the L.T., 40 ampere hours actual.
     A ball-hearing turntable is attached to the base of their instrument.

    Superheterodyne receiver with combined oscillator-detector, three IF stages, and two LF amplifiers, with transformer and choke coupling. Wave range 200-600 and 1000-2000 metres. Enclosed frame aerial.

  • Net weight (2.2 lb = 1 kg)
  • 48 lb (48 lb 0 oz) / 21.792 kg
  • Price in first year of sale
  • 57.00 GBP
  • Mentioned in
  • -- Original prospect or advert (Amateur Wireless Sep 22, 1928 Page 361)
  • Author
  • Model page created by John Koster. See "Data change" for further contributors.

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