• Year
  • 1970–1973
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 896
    • 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
  • 12
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 460/10700 kHz
  • Tuned circuits
  • 7 AM circuit(s)     11 FM circuit(s)
  • Wave bands
  • Broadcast, Long Wave, Short Wave plus FM or UHF.
  • Power type and voltage
  • Line / Batteries (any type) / 220 / 6×1,5; 2×4,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch
  • Power out
  • 1.5 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Derby H 7.650.720 - Blaupunkt Ideal, Berlin,
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 295 x 168 x 74 mm / 11.6 x 6.6 x 2.9 inch
  • Notes
  • Bei Netzbetrieb beträgt die Ausgangsleistung 2 W.
  • Net weight (2.2 lb = 1 kg)
  • 2.5 kg / 5 lb 8.1 oz (5.507 lb)

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 Forum

Forum contributions about this model: Blaupunkt Ideal,: Derby H 7.650.720

Threads: 1 | Posts: 1

Hi,

Here is short video presentation of Blaupunkt Derby H radio:
youtube

youtube

 

Kamil Kubacki, 15.Jan.17

Weitere Posts (1) zu diesem Thema.