• Country
• Latvia (Latvia, Riga)

• Manufacturer / Brand
• Radiotehnika (RT) - after 1951 RRR Rigas Radio Rupnica; Riga

• Year
• 1967–1971

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 78971

• • alternative name: A. Ss. Popow, Riga || Kandava Radio Works || Riga Popov Radiotechnika Works

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

• Number of Tubes
• 17

• Valves / Tubes
• 6Н3П 6Ж1П 6К4П 6И1П 6Е1П 6К4П 6К4П 6Х2П 6Х2П 6Н2П 6Н2П 6Н2П 6П14П 6П14П 6П14П 6П14П 6Ф5П

• Number of Transistors
• 4

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz

• Wave bands
• Broadcast, Long Wave, more than 2 x SW plus FM or UHF.

• Details
• Record Player (perh.Changer)

• Power type and voltage
• Alternating Current supply (AC) / 127; 220 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 6 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Simfonija 2 - Radiotehnika RT - after 1951

• Shape
• Console, Highboy (legs > 50 %).

• Dimensions (WHD)
• 1100 x 830 x 360 mm / 43.3 x 32.7 x 14.2 inch

• Notes

• Two external acoustic systems 370×1020×255 mm with 3 loudspeakers each.

  See also the export variant Rigonda Symphony.

• Net weight (2.2 lb = 1 kg)
• 30 kg / 66 lb 1.3 oz (66.079 lb)

• Mentioned in
• Past Soviet Union magazine RADIO Nr.08 - 1967

• Literature/Schematics (1)
• -- Schematic

• Author
• Model page created by Nikolaj Baranov. See "Data change" for further contributors.

• Other Models

• Here you find 100 models, 98 with images and 63 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radiotehnika (RT) - after 1951 RRR Rigas Radio Rupnica; Riga