• Country
• Germany

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

• Year
• 1958/1959

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 21642

• • 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
• 9

• Valves / Tubes
• ECC85 EF89 ECH81 EF89 EM84 EABC80 ECC82 EL95 EL95

• Number of Transistors

• Semiconductors
• B250C100

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

• Tuned circuits
• 7 AM circuit(s)     12 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; 220-240 Volt

• Loudspeaker
• 3 Loudspeakers

• Power out
• 7 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Riviera 2540 [dunkel] - Blaupunkt Ideal, Berlin,

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 620 x 388 x 283 mm / 24.4 x 15.3 x 11.1 inch

• Notes
• Empfangsteil mit KW-Lupe / Lautsprecher: 1 Suprakustik oval mit Hochtonkegel, 2 perm.-dyn. Seitenlautspr. / Gehäuse, nußbaum dunkel

• Net weight (2.2 lb = 1 kg)
• 13.3 kg / 29 lb 4.7 oz (29.295 lb)

• Price in first year of sale
• 420.00 DM

• External source of data
• Erb

• Source of data
• HdB d.Rdf-& Ferns-GrH 1958/59

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

• Other Models

• Here you find 3583 models, 3270 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