- Country
- Germany
- Manufacturer / Brand
- Blaupunkt (Ideal), Berlin, später Hildesheim
- Year
- 1935/1936
- Category
- Car Radio, perhaps also + sound player/recorder
- Radiomuseum.org ID
- 531
-
- 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
- Number of Transistors
- Semiconductors
- Zerhacker
- Main principle
- Superhet with RF-stage; ZF/IF 257 kHz
- Tuned circuits
- 7 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- Material
- Metal case
- from Radiomuseum.org
- Model: 4A75 [12 V] - Blaupunkt Ideal, Berlin,
- Dimensions (WHD)
- 280 x 180 x 175 mm / 11 x 7.1 x 6.9 inch
- Notes
- 3-teilig.
- Price in first year of sale
- 325.00 RM
- Source of data
- Katalog Radio-Zentrale Alex v. Prohaska 1935/1936 / Radiokatalog Band 1, Ernst Erb
- Circuit diagram reference
- Lange + FS-Bestückungstabellen
- Other Models
-
Here you find 3586 models, 3273 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