- Country
 - Germany
 
- Manufacturer / Brand
 - Blaupunkt (Ideal), Berlin, später Hildesheim
 
- Year
 - 1950
 
- Category
 - Broadcast Receiver - or past WW2 Tuner
 
- Radiomuseum.org ID
 - 25118
 
- 
        
- alternative name: Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934)
 - Brand: Rotstern
 
 
- Number of Tubes
 - 12
 
- Main principle
 - Superheterodyne (common); ZF/IF 473/10,7 kHz
 
- Tuned circuits
 - 7 AM circuit(s) 8 FM circuit(s)
 
- Wave bands
 - Broadcast, Long Wave, more than 2 x SW plus FM or UHF.
 
- Power type and voltage
 - Alternating Current supply (AC) / 110-240 Volt
 
- Loudspeaker
 - 2 Loudspeakers
 
- Power out
 - 20 W (unknown quality)
 
- from Radiomuseum.org
 - Model: T2850 - Blaupunkt Ideal, Berlin,
 
- Notes
 - 
        
Chassis L498W mit Gegentakt Endstufe 20 Watt
 
- Price in first year of sale
 - 2,850.00 DM
 
- External source of data
 - Wiesmüller
 
- Source of data
 - Lange, Schaltungen der Funkindustrie
 
- Other Models
 - 
        
Here you find 3616 models, 3308 with images and 2357 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim