• Year
  • 1930
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 319984

 Technical Specifications

  • Wave bands
  • - without
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Mixing Panel 3-F - Jenkins, J.E., & S.E. Adair;
  • Shape
  • Rack
  • Dimensions (WHD)
  • 19 x 5.25 x 6.75 inch / 483 x 133 x 171 mm
  • Notes
  • Mixing Panel. Appears to be similar to 3-E but without input transformers. 

    3 channel using GM-2 mixing controls. Assumed to use series mixing.

    Input Impedence:  50 ohms

    Output Impedance:  200 ohms (approximate)

  • Net weight (2.2 lb = 1 kg)
  • 8 lb (8 lb 0 oz) / 3.632 kg
  • Price in first year of sale
  • 135.00 USA
  • Mentioned in
  • - - Manufacturers Literature (Jenkins & Adair Bulletin #7B, December 1930)
  • Author
  • Model page created by Timothy Hughes. See "Data change" for further contributors.

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