Derby Commander 7.651.561

• Country
• Germany

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

• Year
• 1972–1975

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 902

• • alternative name: Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934)
  • Brand: Rotstern

• Picture
• Schematics

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• Number of Transistors
• 12

• Semiconductors
• AF106 AF121 AF121 AF121 AF121 AF126 BC238 BC308 AC153 AC176 G113 AD161 BAY93 BA124 BZ102/1V4 AA119 AA112 V20C2 SFD037 ZF10 B30C300

• Main principle
• Superheterodyne (common); ZF/IF 460/10700 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, (BC) Long Wave (LW), 2 x SW and FM or UHF.

• Power type and voltage
• Line / Batteries (any type) / 220 / 6 × 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 13 cm = 5.1 inch

• Power out
• 2 W (unknown quality)

• from Radiomuseum.org
• Model: Derby Commander 7.651.561 - Blaupunkt Ideal, Berlin,

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 314 x 202 x 84 mm / 12.4 x 8 x 3.3 inch

• Notes

• Bei Betrieb im Auto über Autohalterung HV600 aus 12-V-Autobatterie beträgt die Ausgangsleistung 3 W. Netzbetrieb mit zusätzlichem Netzgerät möglich.

  11 Dioden, nur einmal je Type gelistet.

• Net weight (2.2 lb = 1 kg)
• 3.4 kg / 7 lb 7.8 oz (7.489 lb)

• Source of data
• Handbuch VDRG 1972/1973 / Radiokatalog Band 1, Ernst Erb

• Mentioned in
• Katalog RFP 1974

• Literature/Schematics (1)
• -- Original-techn. papers. (Service-Manual, KDB 571.04)

• Other Models

• Here you find 3587 models, 3275 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