• Country
• United States of America (USA)

• Manufacturer / Brand
• Johnson Company, E.F.; Waseca, MN

• Year
• 1961–1965 ??

• Category
• Amateur Transmitter (only)

• Radiomuseum.org ID
• 104873

• • Brand: Viking

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

• Number of Tubes
• 16

• Valves / Tubes
• 12AU7 6AH6 6CX8 6AU6 12AT7 12AT7 0A2 6AH6 12BY7 6146 6146 6AL5 6U8 6T8 6X4 0A2 5U4 5R4

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Viking Invader - Johnson Company, E.F.; Waseca,

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 21 x 11.63 x 16 inch / 533 x 295 x 406 mm

• Notes
• VFO controlled SSB, CW, AM transmitter. Amateur bands 80, 40, 20, 15, 10 m. Input power 200 W PEP SSB and CW, 90 W AM. See also Invader 2000.

• Net weight (2.2 lb = 1 kg)
• 24 kg / 52 lb 13.8 oz (52.863 lb)

• Price in first year of sale
• 619.00 $

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Götz Linss † 27.06.21. See "Data change" for further contributors.

• Other Models

• Here you find 66 models, 56 with images and 29 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Johnson Company, E.F.; Waseca, MN