Mic-speaker scrambler TX-820

• Country
• Italy

• Manufacturer / Brand
• Telsy Elettronica e Telecomunicazioni S.p.A. ; Torino

• Year
• 1985 ??

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 251782

• Picture
• Schematics

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit. / 7-28 Volt

• Loudspeaker
• Magnetic loudspeaker (reed) generic. / Ø 3.5 cm = 1.4 inch

• Material
• Metal case

• from Radiomuseum.org
• Model: Mic-speaker scrambler TX-820 - Telsy Elettronica e

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 70 x 137 x 37 mm / 2.8 x 5.4 x 1.5 inch

• Notes

• Hand-Mic-Speaker including programmable scrambler.

• Net weight (2.2 lb = 1 kg)
• 0.370 kg / 0 lb 13 oz (0.815 lb)

• Author
• Model page created by Alberto Sanna-Alonso. See "Data change" for further contributors.

• Other Models

• Here you find 3 models, 3 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telsy Elettronica e Telecomunicazioni S.p.A. ; Torino