• Country
• United States of America (USA)

• Manufacturer / Brand
• Galaxy Electronics, Council Bluffs (IA)

• Year
• 1971 ?

• Category
• Amateur TRX: Transmitter/Receiver (and Transceiver)

• Radiomuseum.org ID
• 287903

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

• Number of Tubes
• 11

• Valves / Tubes
• 12BZ6 6HG8 6KE8 6EW6 12BA6 6GX6 12AT7 6EJ7 6GK6 6LB6 6LB6 0C2 0C2

• Number of Transistors
• 16

• Semiconductors
• 2N2646 2N2926 unknown_tr 2N4105 2N4106 2N3563 2N3638

• Main principle
• Transceiver

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Powered by external power supply or a main unit. / AC 12.6 & DC -100 & 16 & 350 & 800 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: Hy-Gain GT-550A - Galaxy Electronics, Council

• Shape
• Tablemodel, with any shape - general.

• Notes

• Galaxy Electronics Hy-Gain GT-550A is a SSB/CW Transceiver for the SW 80 - 10 m HAM bands.
  Input: SSB 550 W, CW 360 W

  Needs speaker with built-in power supply which delivers

  • 12.6 VAC
  • -100 VDC
  • +16 VDC
  • +350 VDC
  • +800 VDC

  Each transistor type listed once only.

  See also the predecessor Galaxy GT-550.

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

• Author
• Model page created by Rudolf Müller. See "Data change" for further contributors.

• Other Models

• Here you find 13 models, 13 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Galaxy Electronics, Council Bluffs (IA)