• Year
  • 1938/1939
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 593
    • 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
  • 6
  • Main principle
  • Superhet with RF-stage; ZF/IF 468 kHz
  • 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)
  • Power out
  • 4.5 W (max.)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 7W78 - Blaupunkt Ideal, Berlin,
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 530 x 384 x 280 mm / 20.9 x 15.1 x 11 inch
  • Notes
  • variable Bandbreite
  • Net weight (2.2 lb = 1 kg)
  • 14.7 kg / 32 lb 6.1 oz (32.379 lb)
  • Price in first year of sale
  • 285.00 RM
  • Circuit diagram reference
  • Lange+Schenk+FS-Röhrenbestückung
  • Literature/Schematics (1)
  • -- Schematic
  • Picture reference
  • Das Modell ist im «Radiokatalog» (Erb) abgebildet.

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