• Country
• Germany

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

• Year
• 1958/1959

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 136004

• • 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

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

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

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 105-120 Volt

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

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Ballett 2500 USA [Export] - Blaupunkt Ideal, Berlin,

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 310 x 200 x 190 mm / 12.2 x 7.9 x 7.5 inch

• Notes
• The Blaupunkt radio Typ 2500 USA is the export version of the Blaupunkt typ 2500, having no long wave band but broadcasting (520-1600 kc) and FM from 88-108 mc. The scale reads: "Super Balupunkt Hi-Fi". But it is on the low end of table receivers at that time, having a bakelite case, not wood and one speaker.

• Net weight (2.2 lb = 1 kg)
• 4.6 kg / 10 lb 2.1 oz (10.132 lb)

• Price in first year of sale
• 199.00 DM

• External source of data
• Leon Stanley

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 3525 models, 3214 with images and 2320 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim