• Country
• Germany

• Manufacturer / Brand
• Stern-Radio Berlin, VEB, RFT, (Kombinat); - vorm. Phonetika Radio (Ostd.) - vorm. Loewe Opta AG

• Year
• 1979 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 142981

• • alternative name: Phonetika Radio Berlin, VEB; Berlin, (Ostd.)

• Number of Transistors
• Semiconductors present.

• Semiconductors

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

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

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Line / Batteries (any type) / 220 / 6 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical / Ø 16 cm = 6.3 inch

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Radiorecorder R4100 [OIRT] - Stern-Radio Berlin, VEB, RFT,

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 360 x 230 x 85 mm / 14.2 x 9.1 x 3.3 inch

• Notes
• Exportgerät mit OIRT-Band 66...73,5 MHz, statt zwei Kurzwellen wurde für die Tschechoslowakei nur 1 x KW (6,0 MHz bis 11,5 Mhz) sowie Langwelle eingebaut. Radiorecorder mit automatischer Bandendabschaltung, Bandautomatik Fe+ CrO2, eingebautes Mikrofon, Hand- und Automatikaussteuerung.

• Net weight (2.2 lb = 1 kg)
• 3.6 kg / 7 lb 14.9 oz (7.93 lb)

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

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

• Other Models

• Here you find 233 models, 215 with images and 174 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stern-Radio Berlin, VEB, RFT, (Kombinat); - vorm. Phonetika Radio (Ostd.) - vorm. Loewe Opta AG