• Country
• Bulgaria

• Manufacturer / Brand
• Resprom; Veliko Tarnovo

• Year
• 1965 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 225936

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

• Number of Tubes
• 3

• Valves / Tubes
• UCH81 UBF89 UCL82

• Number of Transistors

• Semiconductors
• Tr.Gl.=Metal-rectif.

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

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 110; 127; 150; 220 Volt

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

• Power out
• 1 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Sonet - Сонет R-RM63 - Р-РМ63 - Resprom; Veliko Tarnovo

• Shape
• Tablemodel with Push Buttons.

• Notes

• Wave Bands:
  MW: 520-1600 kHz
  SW1: 5,8-10 MHz
  SW2: 11,5-22,5 MHz

• Mentioned in
• book "Bulgarian Radio Receivers"

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

• Other Models

• Here you find 36 models, 36 with images and 15 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Resprom; Veliko Tarnovo