• Country
• United States of America (USA)

• Manufacturer / Brand
• World Radio Laboratories (WRL), (Globe Electronics); Council Bluffs, IA

• Year
• 1956

• Category
• Amateur Transmitter (only)

• Radiomuseum.org ID
• 265535

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

• Number of Tubes
• 15

• Valves / Tubes
• AX9909 AX9909 2E26 6CL6 12AU7 6AU6 12AX7 6AQ5 809 809 6AL5 6AU6 0A2 0A2 0A2 0B2 5U4GB 866A 866A

• Main principle
• Transmitter

• Wave bands
• Short Wave (SW only)

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Globe Champion 300 - World Radio Laboratories WRL,

• Shape
• Boatanchor (heavy military or commercial set >20 kg).

• Dimensions (WHD)
• 550 x 320 x 450 mm / 21.7 x 12.6 x 17.7 inch

• Notes

• The WRL Globe Champion 300 is an AM/CW/(SSB with external exciter) transmitter with a frequency range of 10 to 80 meters.  Power output is 250 Watts AM, 350 Watts CW, and 300 Watts SSB (with external exciter).

  RF Section: 
  12AU7 keyer, 6AU6 VFO, 6CL6 crystal oscillator/VFO buffer, 2E26 buffer, pair AX9909's final amplifier, three 0A2 regulators, 0B2 regulator.  Modulator:  6AL5 compression rectifier, 6AU6 microphone amplifier, 12AX7 speech amplifier, 6AQ5 driver, push-pull 809 modulators, pair 5U4G rectifiers.  Power Supply: 5U4GB low voltage rectifier, pair 866A high voltage rectifiers.
    

• Net weight (2.2 lb = 1 kg)
• 49 kg / 107 lb 14.9 oz (107.93 lb)

• Price in first year of sale
• 449.00 USD

• Author
• Model page created by Michael Gnaedig-Fischer. See "Data change" for further contributors.

• Other Models

• Here you find 30 models, 26 with images and 20 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from World Radio Laboratories (WRL), (Globe Electronics); Council Bluffs, IA