R78 (With Noise Suppressor)

RCA (RCA Victor Co. Inc.); New York (NY)

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  • Year
  • 1932/1933
perfect model
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 193117
    • 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
  • 12
  • Main principle
  • Superhet with RF-stage; ZF/IF 175 kHz
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 105 - 125 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Power out
  • 20 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: R78 - RCA RCA Victor Co. Inc.; New
  • Shape
  • Console, Highboy (legs > 50 %).
  • Dimensions (WHD)
  • 28.25 x 43 x 14 inch / 718 x 1092 x 356 mm
  • Notes
  • The RCA model R78 has a 6-legged stretcher base. The R-78 with noise suppressor is similar in most respects to the standard R-78, with the major difference being the noise suppression circuit which uses the 55 tube. Information from Alan Douglas for this model: "According to the "Red Book", the RCA service manual 1931/32, this RCA model R78 was announced April 27, 1932 with a list price of $ 139.50. This model was produced 10,753 times."
  • Price in first year of sale
  • 139.50 $
  • Author
  • Model page created by John Kusching. See "Data change" for further contributors.

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