A-77 Leader

Lafayette Radio & TV Corp; New York (NY)

Data
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  • Year
  • 1934/1935
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 45842
    • alternative name: Wholesale Radio

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 175 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • AC/DC-set / 110 - 120 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: A-77 Leader - Lafayette Radio & TV Corp; New
  • Shape
  • Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
  • Dimensions (WHD)
  • 12 x 14.5 x 6 inch / 305 x 368 x 152 mm
  • Notes
  • The catalog names this Lafayette model A-77 5 tube Leader. It is a AC-DC model with a range of 190 - 550 m. The catalog names 2 x tube 77 but Rider's vol. 10-10 a 6A7 as Osc. 1st Det., followed by one IF tube 77. The model has an Airplane Dial and a three-gang tuning condenser (pre-selector antenna tuning) but only 3 tuned circuits for the IF. There is a special model for use in European countries which incorparates an additional long wave band, covering a frequency range from 850 - 2000 meters. It is otherwise identical and is called A-77L European. For either model there is available an adaptor cord for 220 volts at $ 1.00.

    The list price for model A-77 Leader is $ 29.90 but the Lafayette price is $ 14.95. For the A-77L it is $ 35.90, Lafayette price $ 17.95. See details and summaries for the models of this catalog.
  • Price in first year of sale
  • 15.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 10 = 1939 and before

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