• Country
• United States of America (USA)

• Manufacturer / Brand
• GTC, General Transformer Corporation; Chicago, IL

• Year
• 1930 ??

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 147487

• • alternative name: GTC

• Wave bands
• - without

• Details
• Power Supply (not only Batt.El.)

• Power type and voltage
• Alternating Current supply (AC) / 110-120 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Perma Power A - GTC, General Transformer

• Shape
• Tablemodel, with any shape - general.

• Notes
• General Transformer Co., GTC Perma Power A;
  Battery eliminator for sets with 4,5 or 6 pcs 1.5 V tubes, provides 1.4 VDC 350 mA, 90 VDC 13 mA.

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 6 models, 6 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from GTC, General Transformer Corporation; Chicago, IL