• Country
• Latvia (Latvia, Riga)

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

• Year
• 1946

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 120268

• • 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
• 9

• Valves / Tubes
• 6Л7 6С5С 6К7 6К7 6Х6С 6Ж7 6П3С 6Е5С 5Ц4С

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz; 2 AF stage(s)

• Tuned circuits
• 8 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and more than two Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 110; 127; 220 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 28 cm = 11 inch

• Power out
• 5 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Riga T689 [6L7] - Radiotehnika RT - after 1951

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 585 x 415 x 315 mm / 23 x 16.3 x 12.4 inch

• Mentioned in
• Past Soviet Union magazine RADIO Nr.3-1946; Nr.8-1947

• Literature/Schematics (1)
• - - Manufacturers Literature

• Other Models

• Here you find 101 models, 99 with images and 64 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