Berlin (W) H2053

• Country
• Germany

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

• Year
• 1953/1954

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 25087

• • alternative name: Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934)
  • Brand: Rotstern

• Picture
• Schematics

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

• Number of Tubes
• 7

• Valves / Tubes
• EC92 EC92 EF85 EF93 EM85 EABC80 EL84

• Number of Transistors

• Semiconductors
• B250C90

• Main principle
• Superheterodyne (common); ZF/IF 450/10700 kHz

• Tuned circuits
• 6 AM circuit(s)     9 FM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110-125; 220-240 Volt

• Loudspeaker
• 2 Loudspeakers

• Power out
• 4 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Berlin H2053 - Blaupunkt Ideal, Berlin,

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 520 x 330 x 230 mm / 20.5 x 13 x 9.1 inch

• Notes
• Mischstufe bei AM: Röhre EF85.
  Oszillator (2. EC92) wird am Bremsgitter eingekoppelt.

  FM-Vorstufe: EC92 in neutralisierter Kathodenbasis-Schaltung.

• Net weight (2.2 lb = 1 kg)
• 9.3 kg / 20 lb 7.8 oz (20.485 lb)

• Price in first year of sale
• 329.00 DM

• External source of data
• Wiesmüller

• Source of data
• Lange, Schaltungen der Funkindustrie

• Mentioned in
• HdB d.Rdf-& Ferns-GrH 1953/54

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

• Literature/Schematics (2)
• -- Original prospect or advert (Point Bleu Prospekt, 1953-1954)

• Other Models

• Here you find 3577 models, 3263 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