• Country
• Bulgaria

• Manufacturer / Brand
• Resprom; Veliko Tarnovo

• Year
• 1971 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 226171

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

• Number of Tubes
• 8

• Valves / Tubes
• ECH81 ECC85 EF89 EBF89 EM84 ECC83 EL84 EL84

• Number of Transistors

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

• Main principle
• Superheterodyne (common); ZF/IF 468/10700 kHz

• Wave bands
• Broadcast, (BC) Long Wave (LW), 2 x SW and FM or UHF.

• Details
• Record Player (not changer)

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

• Loudspeaker
• 3 Loudspeakers

• Power out
• 9 W (undistorted)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Harmonia - Хармония 20 - Resprom; Veliko Tarnovo

• Shape
• Console, Lowboy (legs < 50 %).

• Notes

• Wave Bands:
  MW: 520-1600 kHz
  LW: 145-350 kHz
  SW1: 5,8-12 MHz
  SW2: 12-22 MHz
  FM: 64,5-73 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