• Country
• Yugoslavia

• Manufacturer / Brand
• RR Zavodi (Radio Röntgen), Заводи РР Ниш; Niš - see also Ei

• Year
• 1958 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 188131

• • Brand: RR Niš

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

• Number of Tubes
• 6

• Valves / Tubes
• ECH21 ECH21 ECH21 EBL21 EM80 AZ1

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast, Long Wave and 2 x Short Wave.

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: RR520 - RR Zavodi Radio Röntgen, Завод

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 570 x 365 x 245 mm / 22.4 x 14.4 x 9.6 inch

• Notes

• Speaker: elliptical 170 x 250 mm, Isophon P1725 19 80, Z = 4.5 Ohm. Some models have a round speaker.
  Power requirements: 4 transformer taps, to be soldered
  Record player and external speaker connections.

• Net weight (2.2 lb = 1 kg)
• 7.9 kg / 17 lb 6.4 oz (17.401 lb)

• Mentioned in
• -- Schematic

• Author
• Model page created by Peter Zimmermann. See "Data change" for further contributors.

• Other Models

• Here you find 39 models, 36 with images and 23 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from RR Zavodi (Radio Röntgen), Заводи РР Ниш; Niš - see also Ei