• Country
• Germany

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

• Year
• 1963 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 126696

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 7

• Semiconductors

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

• Tuned circuits
• 8 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and 2 x Short Wave.

• Power type and voltage
• Dry Batteries / 4 x 1,5 Volt

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

• Power out
• 0.8 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Ilmenau T5100 - Stern-Radio Sonneberg, VEB,

• Shape
• Tablemodel, with any shape - general.

• Notes
• Variante der Ilmenaureihe T478. Daten wie Ilmenau T4790B aber anderes Gehäuse. Transistoren: OC170(AF115), 2xOC871(AF115 o. OC170), 2xOC870(OC71 o. OC826), 2xOC74; Dioden: 2xOA645; Kurzwellenlupe.

• Net weight (2.2 lb = 1 kg)
• 6.2 kg / 13 lb 10.5 oz (13.656 lb)

• Source of data
• -- Original-techn. papers.

• Mentioned in
• Funkverlag Hein, Service-DVD

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

• Other Models

• Here you find 385 models, 311 with images and 285 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