Derby 21500 Serie E ab 171400

Blaupunkt (Ideal), Berlin, später Hildesheim

  • Year
  • 1961/1962
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 84826
    • 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 Transistors
  • 9
  • Main principle
  • Superheterodyne (common); ZF/IF 460/10700 kHz; 3 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)     10 FM circuit(s)
  • Wave bands
  • Broadcast, Long Wave, Short Wave plus FM or UHF.
  • Power type and voltage
  • Dry Batteries / 6 x 1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch
  • Power out
  • 1 W (unknown quality)
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: Derby 21500 Serie E [ab 171400] - Blaupunkt Ideal, Berlin,
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 273 x 198 x 68 mm / 10.7 x 7.8 x 2.7 inch
  • Notes
  • Zu diesem Modell passt die Auto-Halterung Typ 85530 zu DM 28,-

    Im Hdb. des Rundfunk- und Fernseh-Grosshandels nur als Blaupunkt Derby bezeichnet.
    Komplett mit Haltevorrichtung dort als Derby H zu DM 327,- angeboten.

  • Net weight (2.2 lb = 1 kg)
  • 2.8 kg / 6 lb 2.7 oz (6.167 lb)
  • Price in first year of sale
  • 299.00 DM
  • Literature/Schematics (2)
  • -- Original-techn. papers.
  • Author
  • Model page created by Bernd Pötzsch. See "Data change" for further contributors.

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