• Year
  • 1929–1931
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 8080

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • TRF with regeneration; 1 Special; 2 AF stage(s); Neutrodyne
  • Tuned circuits
  • 2 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Direct Current supply (DC) / 220 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: K4GS 220V - Nora, Aron, Heliowatt; Berlin
  • Dimensions (WHD)
  • 500 x 280 x 220 mm / 19.7 x 11 x 8.7 inch
  • Notes
  • Neutrodyn, Doppeldrehko+Korr.

    Preis ohne Röhren, zusätzlich Röhrensatz Preis: 33,- RM

  • Price in first year of sale
  • 310.00 RM !
  • Circuit diagram reference
  • Röhren in FS-Bestückungstabellen

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