• Country
• Germany

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

• Year
• 1977 ?

• Category
• Radio module post 1925 (not a part, not a key)

• Radiomuseum.org ID
• 227944

• • 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 Transistors
• 4

• Semiconductors
• BC238 BC308 BC308 BF689 U114B ZPD9,1

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit. / 12 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: ASU-Mono 7.607.546.010 - Blaupunkt Ideal, Berlin,

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 100 x 29 x 34 mm / 3.9 x 1.1 x 1.3 inch

• Notes

• Blaupunkt Automatische Stör-Unterdrückung ASU für Mono-Autoradios mit NF-Ein-Ausgang wie z.B. Frankfurt 7.635.640. Unterdrückt nadelförmige Störimpulse (Zündanlage, Elektromotore) die den UKW-Empfang stören würden.

• Net weight (2.2 lb = 1 kg)
• 0.130 kg / 0 lb 4.6 oz (0.286 lb)

• Author
• Model page created by Wolfgang Müllner. See "Data change" for further contributors.

• Other Models

• Here you find 3526 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