• Country
• Germany

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

• Year
• 1938/1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 595

• • 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
• 7

• Valves / Tubes
• EF11 ECH11 EF11 ABC1 AM2 AL5 EZ12

• Main principle
• Superhet with RF-stage; ZF/IF 468 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short 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)

• Power out
• 8.8 W (max.)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 8W78 - Blaupunkt Ideal, Berlin,

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

• Dimensions (WHD)
• 555 x 378 x 305 mm / 21.9 x 14.9 x 12 inch

• Notes
• variable Bandbreite. Sprache-Musik-Schalter. Schwungradantrieb. Triodensystem der AM2 als NF-Treiberstufe.

• Net weight (2.2 lb = 1 kg)
• 20.2 kg / 44 lb 7.9 oz (44.493 lb)

• Price in first year of sale
• 335.00 RM

• Source of data
• Handbuch WDRG 1938 / Radiokatalog Band 1, Ernst Erb

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

• Mentioned in
• Funkgeschichte der GFGF (9500)

• Literature/Schematics (1)
• -- Schematic

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

• 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