• Country
• Germany

• Manufacturer / Brand
• Blaupunkt (Ideal), Berlin, später Hildesheim

• Year
• 1949/1950

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 727

• • 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.

• Number of Tubes
• 4

• Valves / Tubes
• UCH11 UBF11 UCL11 UY11

• Number of Transistors

• Semiconductors
• U2410PL UB10000

• Main principle
• Superheterodyne (common); ZF/IF 473 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• AC/DC-set / 110/220 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: US4H K - Blaupunkt Ideal, Berlin,

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 390 x 250 x 185 mm / 15.4 x 9.8 x 7.3 inch

• Notes
• L-Abst.;UKW-Skala .
  
  Die Reihenfolge der einzelnen Suffixe ist nicht eindeutig festgelegt. Sie bedeuten im einzelnen:
  K= Kurzwelle (anstatt LW);
  P= Pressstoff (Bakelit);
  H= Holz;
  R= Rimlockröhren.

• Price in first year of sale
• 262.00 DM

• Source of data
• Katalog Weide, 1949/50. / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

• Other Models

• Here you find 3584 models, 3271 with images and 2328 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim