• Country
• Germany

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

• Year
• 1960

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 332547

• • 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.

• Number of Transistors
• 8

• Semiconductors
• OC614 OC614 AF101 AF101 OC604 OC604 OC604 OC604 RL34 E12,5C40

• Main principle
• Superheterodyne (common); Export model

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Dry Batteries / D: 6 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Material
• Bakelite or Plastics (type unknown)

• from Radiomuseum.org
• Model: Santos 20720 - Blaupunkt Ideal, Berlin,

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 470 x 290 x 220 mm / 18.5 x 11.4 x 8.7 inch

• Notes

• Blaupunkt Santos 20720 ist ein Exportmodell.

  Wellenbereiche:

  • SW1 = 23,7 - 14,0 m, 12,65 - 21,5 MHz
  • SW2 = 53,5 - 23,7 m, 5,60 - 12,65 MHz
  • SW3 = 160 - 53,3 m, 1,88 - 5,6 MHz
  • MW = 185 - 582 m, 515 - 1620 kHz

• Net weight (2.2 lb = 1 kg)
• 7 kg / 15 lb 6.7 oz (15.419 lb)

• Mentioned in
• -- Original prospect or advert (Blaupunkt Prospekt Radio 03/1960)

• Author
• Model page created by Richard Winter. See "Data change" for further contributors.

• 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