90AL021 /00 /28

Philips France; Paris

  • Year
  • 1973 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 258671

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Transistors
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 452 kHz; 2 AF stage(s)
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Long Wave and/or Very Low Frequency (VLF).
  • Power type and voltage
  • Dry Batteries / AA: 2 x 1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 cm = 2.4 inch
  • Power out
  • 0.13 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: 90AL021 /00 /28 - Philips France; Paris
  • Dimensions (WHD)
  • 75 x 115 x 45 mm / 3 x 4.5 x 1.8 inch
  • Notes
  • 6 transistors + 2 diodes. Gamme d'onde: GO 150 à 270 kHz. Prise écouteur pour fiche 2,5 mm. HP Z = 8 Ω.


    The model number suggests a year of around 1972, however this design can be found starting from 1977 for the MW-only Prinz 071 which is technically identical to Don 047 but has a different design. There are some indicators that this model has actually been released as late as 1977.

  • Mentioned in
  • -- Original-techn. papers.

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