• Year
  • 1947
  • Category
  • RF (Radio Frequency-) Amplifier
  • Radiomuseum.org ID
  • 312871

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

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • 6AK5
  • Main principle
  • RF-Circuit or wave trap (separate, can also be an antenna with amp.)
  • Wave bands
  • Short Wave (SW only)
  • Power type and voltage
  • Powered by external power supply or a main unit. / 6.3VAC, +250 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: KS9'er - Kingsley brand; various
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 6 x 8 x 5.5 inch / 152 x 203 x 140 mm
  • Notes
  • Advertised as a signal strengthening unit for the 6 metre and 10 metre amateur radio bands to match the antenna to the radio.

    Designed with two plug-in coil boxes, one for each band.

  • Mentioned in
  • Australasian Radio World, Sep 1947 Page 24
  • Author
  • Model page created by Gary Cowans. See "Data change" for further contributors.

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