• Country
• Germany

• Manufacturer / Brand
• Watson (Marke / brand)

• Year
• 1985 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 151256

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast, Long Wave, more than 2 x SW plus FM or UHF.

• Power type and voltage
• Dry Batteries / 2 × 1,5 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Travel Radio TR-4305 - Watson Marke / brand

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

• Dimensions (WHD)
• 180 x 75 x 40 mm / 7.1 x 3 x 1.6 inch

• Notes

• MW 525 - 1605 KHz, UKW 87,5 - 108 MHz, LW 150 - 281 KHz, KW1 4,75 - 5,10 MHZ, KW2 5,85 - 6,20 MHZ, KW3 7,10 - 7,50 MHz, KW4 9,45 - 9,90 MHz, KW5 11,45 - 11,98 MHz, KW6 15,10 -15,55 MHz, KW7 17,45 - 18,06 MHz.

• Net weight (2.2 lb = 1 kg)
• 0.4 kg / 0 lb 14.1 oz (0.881 lb)

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

• Author
• Model page created by Peter Hoddow. See "Data change" for further contributors.

• Other Models

• Here you find 62 models, 60 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Watson (Marke / brand)