• Country
• United States of America (USA)

• Manufacturer / Brand
• Barker and Williamson; Cocoa (FL)

• Year
• 1960

• Category
• Amateur Equipment (Other, but not Key)

• Radiomuseum.org ID
• 340856

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

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Coaxial Switch 550A - Barker and Williamson; Cocoa

• Notes

• The Barker and Williamson 550A is a shielded non-shorting ceramic switch designed to select among 5 different 50-75 ohm impedance antennas or devices.  The input/ output connectors are SO-239.  The common connection is stamped with the letter "C".  The device can be panel mounted.  The switch is rated at 1000 watts with frequencies up to 30 MHz.

• Mentioned in
• Electronic Industries, Sept. 1960, page 133, "New Products...Coaxial Switches...Model 550A"

• Literature/Schematics (1)
• manufacturer's use diagrams

• Author
• Model page created by Rich Post. See "Data change" for further contributors.

• Other Models

• Here you find 8 models, 8 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Barker and Williamson; Cocoa (FL)