• Year
  • 1938/1939
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 595
    • 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
  • 7
  • Main principle
  • Superhet with RF-stage; ZF/IF 468 kHz; 2 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 125; 220; 240 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 8W78 - Blaupunkt Ideal, Berlin,
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 555 x 378 x 305 mm / 21.9 x 14.9 x 12 inch
  • Notes
  • variable Bandbreite. Sprache-Musik-Schalter. Schwungradantrieb. Triodensystem der AM2 als NF-Treiberstufe.
  • Net weight (2.2 lb = 1 kg)
  • 20.2 kg / 44 lb 7.9 oz (44.493 lb)
  • Price in first year of sale
  • 335.00 RM
  • Circuit diagram reference
  • Lange+Schenk+FS-Röhrenbestückung
  • Picture reference
  • Das Modell ist im «Radiokatalog» (Erb) abgebildet.

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

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