• Country
• Bulgaria

• Manufacturer / Brand
• Elprom KB (Kliment Voroshilov Works, Slabotokov zavod); Sofia

• Year
• 1950

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 224151

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

• Number of Tubes
• 6

• Valves / Tubes
• ECH4 EBF2 EF9 EF9 6П3С 5Ц4С

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz

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

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 150; 220 Volt

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

• Power out
• 3 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 516 - Elprom KB Kliment Voroshilov

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

• Dimensions (WHD)
• 560 x 370 x 260 mm / 22 x 14.6 x 10.2 inch

• Notes

• Wave Bands:
  MW: 520-1570 kHz
  LW: 150-400 kHz
  SW1: 12-23.6 MHz
  SW2: 5.8-13 MHz

  Similar to 506 but with other tubes.

• Mentioned in
• book "Bulgarian Radio Receivers"

• Author
• Model page created by Simeon Nikolov. See "Data change" for further contributors.

• Other Models

• Here you find 66 models, 61 with images and 50 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Elprom KB (Kliment Voroshilov Works, Slabotokov zavod); Sofia