• Country
• Poland

• Manufacturer / Brand
• Unitra FONICA, Łódźkie Zakłady Radiowe, Wytwórcze Aparatów Telefonicznych (T-4, Zwat); Łódź

• Year
• 1982

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 108310

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

• Number of Transistors
• 9

• Semiconductors
• BC238 BC238 BC238 BC211 BC308 BC308 BC238 BC238 BC238

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Bernard GS-431 - Unitra FONICA, Łódźkie Zakłady

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 440 x 130 x 390 mm / 17.3 x 5.1 x 15.4 inch

• Notes

• Platter fi 302mm, weight 1kg.
  S/N >50dB, wow & flutter <0,15.
  MF 105 type moving magnet pickup, spheric needle tip.
  Tracking force 1,5g.
  20Hz-21.000Hz

• Net weight (2.2 lb = 1 kg)
• 7 kg / 15 lb 6.7 oz (15.419 lb)

• Mentioned in
• -- Original-techn. papers.

• Author
• Model page created by Franz Scharner. See "Data change" for further contributors.

• Other Models

• Here you find 58 models, 32 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unitra FONICA, Łódźkie Zakłady Radiowe, Wytwórcze Aparatów Telefonicznych (T-4, Zwat); Łódź