• Year
  • 1938 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 170894
    • alternative name: Mershman Bros. Corp

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • from Radiomuseum.org
  • Model: 2689 Ch= M-27 - Brunswick Div. Mersman Bros.
  • Notes
  • Push-button tuner; tuning eye.
  • Circuit diagram reference
  • Rider's Perpetual, Volume 9 = 1938 and before

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The model 2689 is part of the collections of the following members.

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