• Country
• United States of America (USA)

• Manufacturer / Brand
• Workrite Manufacturing Co., United States Electric Corp.

• Year
• 1931

• Category
• Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter

• Radiomuseum.org ID
• 288496

• • Brand: King

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

• Number of Tubes
• 4

• Valves / Tubes
• 24 24 27 80

• Main principle
• Superhet with RF-stage

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Alternating Current supply (AC) / 50-60 cycles, 110 Volt

• Material
• Metal case, TUBES VISIBLE

• from Radiomuseum.org
• Model: Super-Converter 4X - Workrite Manufacturing Co.,

• Shape
• Tablemodel, with any shape - general.

• Notes

• The Workrite 4X Super-Converter covers 14 to 200 meters. It is designed to be added to a TRF receiver, making it a superhetrodyne shortwave radio.

  The unit was designed by George W. Walker.

• Mentioned in
• Short Wave Craft Dec31/Jan32 pages 257 and 301

• Author
• Model page created by Wayne Childress. See "Data change" for further contributors.

• Other Models

• Here you find 39 models, 19 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Workrite Manufacturing Co., United States Electric Corp.