• Country
• Great Britain (UK)

• Manufacturer / Brand
• Johnsons (Radio); Worcester

• Year
• 1960

• Category
• Amateur-Receiver (amateur bands, may include broadcast bands)

• Radiomuseum.org ID
• 204310

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

• Number of Tubes
• 1

• Valves / Tubes
• ECL80

• Main principle
• TRF with regeneration

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Alternating Current supply (AC) / 200-250 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical / Ø 7 inch = 17.8 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: Globe-King S.W. Receiver 300/A - Johnsons Radio; Worcester

• Shape
• Tablemodel, with any shape - general.

• Notes
• Kit, likely to have been sold in assembled form as well.
  Coils available:
  Coil No. 1: 30 - 17.5 MHz
  Coil No. 2: 15 - 7.5 MHz
  Coil No. 3: 7 - 3.0 MHz.

• Mentioned in
• The Radio Constructor, Jul. 1960 (UK)

• Other Models

• Here you find 4 models, 4 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Johnsons (Radio); Worcester