• Country
• United States of America (USA)

• Manufacturer / Brand
• Granco Products, Inc.; Long Island City (NY)

• Year
• 1953 ?

• Category
• Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter

• Radiomuseum.org ID
• 365588

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

• Number of Tubes
• 3

• Valves / Tubes
• 6AF4 6BQ7A 6X4

• Main principle
• RF Converter/Adapter (not voltage converter)

• Wave bands
• VHF incl. FM and/or UHF (see notes for details)

• Details
• Converter

• Power type and voltage
• Alternating Current supply (AC) / 60Hz, 117V=110-120 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case, TUBES VISIBLE

• from Radiomuseum.org
• Model: CTU - Granco Products, Inc.; Long

• Shape
• Tablemodel, with any shape - general.

• Notes

• Granco model CTU is an AC operated UHF to VHF convertor.

• Literature/Schematics (2)
• Photofact Folder, Howard W. SAMS (Set 217, folder 6, dated 10-53)

• Author
• Model page created by Dirk Taekels. See "Data change" for further contributors.

• Other Models

• Here you find 41 models, 35 with images and 31 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Granco Products, Inc.; Long Island City (NY)