• Country
• United States of America (USA)

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

• Year
• 1930

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 35556

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

• Number of Tubes
• 7

• Valves / Tubes
• 24 24 24 27 45 45 80

• Main principle
• TRF without regeneration; Screengrid 1926-1935

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• Magnetic loudspeaker (reed) generic.

• from Radiomuseum.org
• Model: 34 AC - Colonial Radio Co.; Long

• Notes
• Remote-control automatic-tuning unit; push-pull af output stage.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

• Mentioned in
• Rider's Perpetual, Volume 2 = 1932 and before

• 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