• Country
• Poland

• Manufacturer / Brand
• Tonsil (UNITRA), Polskie Radio, Zakłady Wytwórcze Głośników; Września

• Year
• 1977 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 180356

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

• Number of Transistors
• 6

• Semiconductors
• TG-5 TG-5 TG50 TG50 ADP670 ADP670

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Loudspeaker + integr.Amplifier

• Power type and voltage
• Dry Batteries / 4 x 3 Volt

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

• Power out
• 5 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Megaphon TE21/5 - Tonsil UNITRA, Polskie Radio,

• Dimensions (WHD)
• 220 x 275 x 345 mm / 8.7 x 10.8 x 13.6 inch

• Notes
• Megaphon mit integriertem Druckkammer-Lautsprecher und dynam. Mikrofon. 4 Batterien 2R10 (je 3 V).

• Net weight (2.2 lb = 1 kg)
• 1.8 kg / 3 lb 15.4 oz (3.965 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Wolfgang Eckardt. See "Data change" for further contributors.

• Other Models

• Here you find 28 models, 21 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tonsil (UNITRA), Polskie Radio, Zakłady Wytwórcze Głośników; Września