• Country
• Latvia (Latvia, Riga)

• Manufacturer / Brand
• VEF Radio Works (Valst Elektrotechniska Fabrika, ВЕФ); Riga

• Year
• 1990

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 141750

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

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

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• 2 Loudspeakers

• Power out
• 2 W (unknown quality)

• Material
• Various materials

• from Radiomuseum.org
• Model: VEF Siringa RM-390s - VEF Radio Works Valst

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

• Dimensions (WHD)
• 450 x 140 x 143 mm / 17.7 x 5.5 x 5.6 inch

• Notes
• Two model numbers for absolutely same set - till 1991.01.01 model RM-390s, later RM-290s (new quality standard).
  9V DC supply socket for external 220/9V supply block.(Block included).

• Net weight (2.2 lb = 1 kg)
• 3.2 kg / 7 lb 0.8 oz (7.048 lb)

• Source of data
• -- Schematic

• Mentioned in
• - - Data from my own collection

• Author
• Model page created by Zenonas Langaitis. See "Data change" for further contributors.

• Other Models

• Here you find 139 models, 136 with images and 76 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from VEF Radio Works (Valst Elektrotechniska Fabrika, ВЕФ); Riga