• Year
  • 1950/1951
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 795
    • alternative name: Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934)
    • Brand: Rotstern

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 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 473/10700 kHz; 2 AF stage(s); Reflex
  • Tuned circuits
  • 6 AM circuit(s)     7 FM circuit(s)
  • Wave bands
  • Broadcast, Long Wave, more than 2 x SW plus FM or UHF.
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 125; 220 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Power out
  • 4 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: MU680W - Blaupunkt Ideal, Berlin,
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 530 x 300 x 190 mm / 20.9 x 11.8 x 7.5 inch
  • Notes
  • 3 KW-Bereiche.
    Variometer-Abstimmung und Flankendemodulator für UKW.
    1. FM-ZF-Stufe wird in Reflexschaltung auch als NF-Vorstufe verwendet.
  • Source of data
  • Radiokatalog Band 1, Ernst Erb
  • Circuit diagram reference
  • Lange Schaltungen der Funkindustrie, Buch 2

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