• Country
• Latvia (Latvia, Riga)

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

• Year
• 1970–1974

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 93307

• • 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 Transistors
• 9

• Semiconductors
• ГТ322 ГТ322 ГТ322 ГТ322 ГТ322 ГТ108 ГТ108 МП41 МП41

• Main principle
• Superheterodyne (common); ZF/IF 465/10700 kHz

• Tuned circuits
• 6 AM circuit(s)     9 FM circuit(s)

• Wave bands
• Broadcast, Long Wave and FM or UHF.

• Power type and voltage
• Dry Batteries / 6 × 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6.4 cm = 2.5 inch

• Power out
• 0.25 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Astrad F3TR9-R302 - Radiotehnika RT - after 1951

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 220 x 100 x 48 mm / 8.7 x 3.9 x 1.9 inch

• Notes
• RRR Astrad F3TR9-R302;
  VHF(FM): CCIR band up to 108 MHz,
  Transistors (Russian): 5x GT322A, 2x GT108B, 2x MP41. Sockets for earphone, aerial and earth. Also known as the Vega 302. See also model Riga 302.

• Net weight (2.2 lb = 1 kg)
• 0.8 kg / 1 lb 12.2 oz (1.762 lb)

• Mentioned in
• -- Original prospect or advert

• Author
• Model page created by Wolfgang Eckardt. 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