Orava 131 4131U

Tesla; Praha, Bratislava etc.

Data
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  • Year
  • 1970/1971
  • Category
  • Television Receiver (TV) or Monitor
  • Radiomuseum.org ID
  • 171619
    • Brand: Supraphon

 Technical Specifications

  • Number of Tubes
  • 12
  • Number of Transistors
  • 8
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 38000 kHz
  • Wave bands
  • VHF incl. FM and/or UHF (see notes for details)
  • Power type and voltage
  • Alternating Current supply (AC) / 220 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Power out
  • 2.2 W (undistorted)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Orava 131 4131U - Tesla; Praha, Bratislava etc.
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 624 x 424 x 367 mm / 24.6 x 16.7 x 14.4 inch
  • Notes

  • 50 cm B/W TV, VHF/UHF tuner with OIRT sound. Some versions with OIRT + CCIR sound. Sensitvity 35 µV VHF, 40 µV UHF. Speaker ARE489, bandwidth 70 Hz - 13 kHz, power output 2.2W/10%.
    Seven transistors, common version has additionally one transistor (GC516 or EFT351) for tuner AVC. Power consuption 160W. Same chassis like Orava 226, 235, 232 and many more.

  • Net weight (2.2 lb = 1 kg)
  • 19 kg / 41 lb 13.6 oz (41.85 lb)
  • Source of data
  • -- Original prospect or advert
  • Author
  • Model page created by Gabriel Toth. See "Data change" for further contributors.

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The model Orava 131 is part of the collections of the following members.

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