• Year
  • 1957/1958
perfect model
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 352

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 468 kHz
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Line / Batteries (any type) / 110; 220; 1,5 & 75 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: Jonny M57 - Akkord-Radio + Akkord
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 236 x 160 x 76 mm / 9.3 x 6.3 x 3 inch
  • Notes
  • Wave bands;
    Button 2 (middle) MW 1620 - 510 KHz,
    Button 3 (right) SW 5.8 - 18MHz,
    LW is obtained by releasing both MW & SW buttons. LW 350 - 145kHz
    Left push button 1, depressed = battery operation
    Socket for external aerial

  • Price in first year of sale
  • 198.00 DM
  • Source of data
  • Radiokatalog Band 1, Ernst Erb
  • Circuit diagram reference
  • Lange Schaltungen der Funkindustrie, Buch 1

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

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