• Country
• United States of America (USA)

• Manufacturer / Brand
• Coast to Coast Radio Co. NY,NY

• Year
• 1932 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 35426

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

• Number of Tubes
• 6

• Valves / Tubes
• 24 45 50 50 81 81

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• from Radiomuseum.org
• Model: 4978 Amplifier - Coast to Coast Radio Co. NY,NY

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 4 = ca. 1934 and before

• Other Models

• Here you find 12 models, 0 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Coast to Coast Radio Co. NY,NY