• Country
• Germany

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

• Year
• 1938 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 601

• • 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
• 6

• Valves / Tubes
• EF11 ECH11 EBF11 EL11 EFM11 AZ11

• Main principle
• Superhet with RF-stage; ZF/IF 468 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; (150); 220; 240 Volt

• Material
• Wooden case

• from Radiomuseum.org
• Model: 7W78S - Blaupunkt Ideal, Berlin,

• Dimensions (WHD)
• 530 x 383 x 280 mm / 20.9 x 15.1 x 11 inch

• Notes
• KW 1: 13,8-33m, KW 2: 28-80m.
  ZF alternativ 473KHz (durch Aufdruck auf dem Chassis gekennzeichnet).

• Net weight (2.2 lb = 1 kg)
• 14.7 kg / 32 lb 6.1 oz (32.379 lb)

• Source of data
• - - Manufacturers Literature / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Schenk-Regelien

• 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