• Country
• Germany

• Manufacturer / Brand
• Stern-Radio Sonneberg, VEB, RFT; SONRA; -vorm.: EAK (Ostd.) - ex. AEG

• Year
• 1977 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 131025

• Number of Transistors
• 9

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 455/10700 kHz

• Tuned circuits
• 5 AM circuit(s)     10 FM circuit(s)

• Wave bands
• Broadcast, Long Wave, Short Wave plus FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Power out
• 1.6 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Prominent 221 - Stern-Radio Sonneberg, VEB,

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 500 x 135 x 170 mm / 19.7 x 5.3 x 6.7 inch

• Notes
• Prominent 221, ein Exportsuper aus Sonneberg, vertrieben durch die Firma Bruns. Kurzwelle nur 49m- Band, UKW von 88 bis 108 MHz. Auf der Skala ist "Bruns" ausgewiesen.

• Source of data
• - - Data from my own collection

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

• Other Models

• Here you find 385 models, 312 with images and 288 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stern-Radio Sonneberg, VEB, RFT; SONRA; -vorm.: EAK (Ostd.) - ex. AEG