Stern Automatic (Automatik) 1421 (R140-21)

• Country
• Germany

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

• Year
• 1974–1977

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 82737

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

• Picture
• Schematics

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

• Number of Transistors
• 13

• Semiconductors

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

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

• Wave bands
• Broadcast, (BC) Long Wave (LW), 2 x SW and FM or UHF.

• Power type and voltage
• Line / Batteries (any type) / 220/9 (6x1,5) Volt

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

• Power out
• 1 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Stern Automatic 1421 - Stern-Radio Berlin, VEB, RFT,

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

• Dimensions (WHD)
• 322 x 215 x 97 mm / 12.7 x 8.5 x 3.8 inch

• Notes
• Weiterentwicklung des "Automatic N", Netzteil integriert. Festsenderautomatik; Fest-AFC (nicht schaltbar); AGS (AGC); 4-Tasten-Senderspeicher für UKW; getrennte Abstimmung AM/FM, getrennte H/T-Regler. Anschlüsse für Autoantenne, TA/TB, Außenlautsprecher. KW1 5,9···6,2 MHz, KW2 5,9···10,8 MHz. Holzgehäuse in Ausführung Naturholz oder mit Überzug aus Lederimitat in verschiedenen Farben.
  Als Exportgerät unter dem Namen Comix Automatic.

• Net weight (2.2 lb = 1 kg)
• 3.5 kg / 7 lb 11.3 oz (7.709 lb)

• Price in first year of sale
• 695.00 DM

• Source of data
• -- Original-techn. papers. / Radiokatalog Band 2, Ernst Erb

• Mentioned in
• -- Original prospect or advert (Funkverlag Hein, Service-DVD)

• Literature/Schematics (1)
• Originalgerät

• 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