• Year
  • 1938–1940
  • Category
  • Commercial Receiver (may include amateur bands)
  • Radiomuseum.org ID
  • 127372

 Technical Specifications

  • Number of Tubes
  • 10
  • Main principle
  • Superheterodyne (common); ZF/IF 535 kHz
  • Wave bands
  • Broadcast, Long Wave and more than two Short Wave bands.
  • Power type and voltage
  • AC/DC-set
  • Loudspeaker
  • -Loudspeaker incorporated, but system not known. / Ø 8 inch = 20.3 cm
  • Power out
  • 5 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 51-MK - Sargent Co., E.M.; Oakland, CA
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Seven bands, 0.08 to 31MHz. RF and mixer panel trimmers. Triode section of 6F7 used as feedback amplifier for RF regenerative Q-multiplier. Marine version of the standard 51-AK model. Inconsistent data: Tube 80 is not for AC/DC.
  • Price in first year of sale
  • 175.00 $
  • Author
  • Model page created by Emilio Ciardiello. See "Data change" for further contributors.

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