• Country
• Germany

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

• Year
• 1939/1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 606

• • 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
• 3

• Valves / Tubes
• EBF11 ECL11 AZ11

• Main principle
• TRF with regeneration; 1 Special; 2 AF stage(s)

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Bakelite case

• from Radiomuseum.org
• Model: 4W29 - Blaupunkt Ideal, Berlin,

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 473 x 335 x 287 mm / 18.6 x 13.2 x 11.3 inch

• Notes
•  

• Net weight (2.2 lb = 1 kg)
• 11 kg / 24 lb 3.7 oz (24.229 lb)

• Price in first year of sale
• 155.00 RM

• Source of data
• Handbuch WDRG 1939 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange+Schenk+FS-Röhrenbestückung

• Picture reference
• Das Modell ist im «Radiokatalog» (Erb) abgebildet.

• 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