• Country
• United States of America (USA)

• Manufacturer / Brand
• Triad Magnetics Inc.; Corona, CA

• Year
• 1970 ??

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 192765

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 115; 230 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Isolation Power Transformer N-77U - Triad Magnetics Inc.; Corona,

• Dimensions (WHD)
• 2.81 x 3.44 x 3 inch / 71 x 87 x 76 mm

• Notes
• For isolating equipment from direct connection to the power line (i.e. vintage receiver without power-supply transformer as Hallicrafters model S-41G/W); maximum power input 100 VA; secondary rating 115V, 0.87A; primary and secondary wound on separate arbors, assembled on a laminate core side-by-side separated by insulation.

• Net weight (2.2 lb = 1 kg)
• 2 kg / 4 lb 6.5 oz (4.405 lb)

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Emilio Focosi. See "Data change" for further contributors.

• Other Models

• Here you find 3 models, 3 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Triad Magnetics Inc.; Corona, CA