• Year
  • 1935 ??
perfect model
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 31273

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 370 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast plus 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / Either transformer: 50-60Hz, 119V or 25Hz, 105-155 or 220V or 40-60Hz, taps at 108,125,150,220,250 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6 inch = 15.2 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 585 Ch= Series B - Belmont Radio Corp. B.R.C.;
  • Shape
  • Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
  • Notes
  • The Belmont 585 is an AC operated 5 tube BC and SW band receiver. This model was available with 4 different chassis as described below and was also sold under various brand names such as Airline and Truetone (possibly others).

    Here are the major differences between the chassis types:

    Chassis IF Tube Output Tube IF Frequency
    A 6D6 42 370
    B 6D6 42 370
    C 6D6 42 465
    D 6K7 6F6 465

    There are also differences in the frequency tuning ranges:

    Chassis BC Band (kHz) SW Band 1 (MHz) SW Band 2 (MHz)
    A 540 - 1720 2.3 - 7.6 7.5 - 23.0
    B 530 - 1720 2.35-  7.7 7.6 - 19.0
    C 530 - 1720 2.35 - 7.7 7.6 - 19.0
    D 530 - 1720 2.35 - 7.7 7.6 - 19.0

    Note: Series "B" and "C" chassis are serially numbered on back flange of chassis, with series B beginning with number "5A100510B" and up, series "C" chassis beginning with number "5B105635C".  Series "B" and "C" may be identified by the letter "B" or "C" at the end of the serial number.

  • External source of data
  • Ernst Erb

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