• Year
  • 1954
perfect model
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 231751
    • 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-646 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-646 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. Has Qty(1) elliptical PM 4" x 6" speaker. Tuning drive ratio is 10 to 1. Cabinet color is Ivory 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-646 is part of the collections of the following members.

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