• Country
• Germany

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

• Year
• 1961/1962

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 23738

• • 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 Tubes
• 5

• Valves / Tubes
• ECC85 ECH81 EF89 EABC80 EL84

• Number of Transistors

• Semiconductors
• B250C75

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

• Tuned circuits
• 6 AM circuit(s)     10 FM circuit(s)

• Wave bands
• Broadcast, Long Wave, Short Wave plus FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 110; 127; 155; 220 Volt

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

• Power out
• 6 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Ballett 21050 - Blaupunkt Ideal, Berlin,

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 320 x 210 x 190 mm / 12.6 x 8.3 x 7.5 inch

• Notes
• Gehäuse in uni-braun , oder elfenbein

• Net weight (2.2 lb = 1 kg)
• 5.5 kg / 12 lb 1.8 oz (12.115 lb)

• Price in first year of sale
• 225.00 DM

• External source of data
• Erb

• Source of data
• HdB d.Rdf-& Ferns-GrH 1961/62

• Literature/Schematics (1)
• -- Original-techn. papers.

• Other Models

• Here you find 3589 models, 3277 with images and 2329 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim