• Country
• Romania

• Manufacturer / Brand
• Radio Popular; București - Bucharest

• Year
• 1949/1950 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 119763

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

• Number of Tubes
• 3

• Valves / Tubes
• 6А7 6Б8С 6П6С

• Number of Transistors

• Semiconductors
• Selenium-Rectifier

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz; 1 AF stage(s); Reflex

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Pionier S 503A - Radio Popular; București -

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

• Dimensions (WHD)
• 300 x 220 x 170 mm / 11.8 x 8.7 x 6.7 inch

• Notes

• Caution: Hot chassis! Use isolation transformer for repairs!

• Literature/Schematics (1)
• Scheme de Radioreceptoare vol I. ET Bucuresti 1973

• Author
• Model page created by Francisc VISKY. See "Data change" for further contributors.

• Other Models

• Here you find 42 models, 30 with images and 32 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Popular; București - Bucharest