• Year
  • 1932/1933
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 503
    • alternative name: Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934)
    • Brand: Rotstern

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown); 2 Special; 1 AF stage(s); Anode bend detection
  • Tuned circuits
  • 3 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 110-240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: W4000 - Blaupunkt Ideal, Berlin,
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 425 x 270 x 230 mm / 16.7 x 10.6 x 9.1 inch
  • Notes
  • Preis ohne Röhren, zusätzlich Röhrensatz: 72,90 RM

  • Price in first year of sale
  • 159.00 RM +
  • Circuit diagram reference
  • Lange + FS-Bestückungstabellen
  • Picture reference
  • Das Modell ist im «Radiokatalog» (Erb) abgebildet.

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