- Country
- Germany
- Manufacturer / Brand
- Blaupunkt (Ideal), Berlin, später Hildesheim
- Year
- 1948/1949
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 708
-
- 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
- 5
- Main principle
- Superheterodyne (common); ZF/IF 473 kHz
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast, Long Wave and Short Wave.
- Power type and voltage
- Alternating Current supply (AC) / 110-240 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 19 cm = 7.5 inch
- Material
- Wooden case
- from Radiomuseum.org
- Model: 4W648M - Blaupunkt Ideal, Berlin,
- Dimensions (WHD)
- 540 x 315 x 230 mm / 21.3 x 12.4 x 9.1 inch
- Net weight (2.2 lb = 1 kg)
- 12 kg / 26 lb 6.9 oz (26.432 lb)
- Source of data
- Das Rundfunk-Jahr 1948/49 / Radiokatalog Band 1, Ernst Erb
- Circuit diagram reference
- Lange-Nowisch
- Other Models
-
Here you find 3591 models, 3279 with images and 2332 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim