• Year
  • 1954
perfect model
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 232550
    • alternative name: RCA Manufacturing || Victor Talking Machine

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • AC/DC-set / Either AC 50 to 60 cycles, 115 Volts or DC 115 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Power out
  • 0.8 W (1.2 W max.)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: 4-X-644 Ch= RC-1140 - RCA RCA Victor Co. Inc.; New
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 11.25 x 7.125 x 6.375 inch / 286 x 181 x 162 mm
  • Notes
  • The RCA 4-X-644 is an AC/DC operated 6 tube BC band receiver.  BC band tuning range is 540 to 1600kHz.  Has phone input with radio/phono selector switch on rear of chassis.  Has loop antenna with provisions for external antenna. Cabinet color is Black with Brick Red speaker grill.

    The following models use the same schematic and cabinet but have different cabinet colors:

    Model Number Cabinet Color
    4-X-641 Black and Artic White
    4-X-643 Black and Chartreuse
    4-X-644 Black and Brick Red
    4-X-646 Ivory and Brick Red
    4-X-647 Ivory and Dark Green
    4-X-648 Ivory and Powder Blue

     

  • Net weight (2.2 lb = 1 kg)
  • 6 lb (6 lb 0 oz) / 2.724 kg
  • Literature/Schematics (2)
  • - - Manufacturers Literature (RCA Service Data 1954 No. 4 Datasheet, second edition)
  • Author
  • Model page created by John Kusching. See "Data change" for further contributors.

 Collections | Museums | Literature

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The model 4-X-644 is part of the collections of the following members.

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