• Country
• United States of America (USA)

• Manufacturer / Brand
• Haller-Cunningham, Halcun; San Francisco

• Year
• 1916 ?

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 210265

• Main principle
• Tuner pre 1926 (not a wave trap)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Halcun Amateur Loose Coupler No. 28 - Haller-Cunningham, Halcun; San

• Shape
• Tablemodel, with any shape - general.

• Notes
• Halcun Amateur Loose Coupler. The coupler will tune 350 to 1500 meters with the average amateur aerial. This coupler was available in two different finishes at two different prices. This coupler requires the use of a secondary condenser with a capacity of .00025 mfd for most efficient working.
  Halcun Amateur Loose Coupler No. 27 Oak Finish - $10.00 No. 28 Mahogany Finish - $11.00

• Price in first year of sale
• 11.00 $

• Mentioned in
• Halcun Brochure 1916

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 29 models, 29 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Haller-Cunningham, Halcun; San Francisco