• Country
• United States of America (USA)

• Manufacturer / Brand
• Colonial Radio Co.; Long Island and Buffalo, NY

• Year
• 1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 35529

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

• Number of Tubes
• 6

• Valves / Tubes
• 26 26 99 26 71A BH

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Tuned circuits
• 3 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC)

• from Radiomuseum.org
• Model: 28 AC - Colonial Radio Co.; Long

• Shape
• Tablemodel, with any shape - general.

• Notes
• One dial (primary tuning control knob)

• Price in first year of sale
• 147.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Other Models

• Here you find 165 models, 74 with images and 131 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Colonial Radio Co.; Long Island and Buffalo, NY