M-34

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

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  • Year
  • 1933
  • Category
  • Car Radio, perhaps also + sound player/recorder
  • Radiomuseum.org ID
  • 54333
    • 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
  • 4
  • Main principle
  • Superhet with RF-stage; ZF/IF 175 kHz
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / =6 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Power out
  • 2 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: M-34 - RCA RCA Victor Co. Inc.; New
  • Shape
  • Chassis only or for «building in»
  • Notes
  • The RCA model M-34 can only be from 1933 because the tubes 6A7 and 6B7 were released in 1933 (eraliest date) and Rider's volume 3 is copyrighted 1933 (latest date). Sync.Vibrator for +B.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 3 = 1933 and before

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