• Year
  • 1939 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 200521

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superhet with RF-stage; ZF/IF 455 kHz; 3 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 12 inch = 30.5 cm
  • Power out
  • 1.5 W (2.5 W max.)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 6B4 - RCA Victor International,
  • Shape
  • Console with Push Buttons.
  • Dimensions (WHD)
  • 26.5 x 39.5 x 12.5 inch / 673 x 1003 x 318 mm
  • Notes
  • The RCA Victor model 6B4 is a 7-tube battery powered console radio. Has vibrator type B+ supply. Covers the following ranges:

    Range Frequency
    Broadcast 540-1720 kHz
    49m 5.9-6.24 MHz
    31m 9.41-9.69 MHz
    25m 11.68-11.92 MHz
    19m 15.09-15.38 MHz
  • Net weight (2.2 lb = 1 kg)
  • 62 lb (62 lb 0 oz) / 28.148 kg
  • Literature/Schematics (1)
  • RCA Service Manual Vol 2 P. 189

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