9 Transitone

• Country
• United States of America (USA)

• Manufacturer / Brand
• Philco, Philadelphia Stg. Batt. Co.; USA

• Year
• 1933 ?

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 51213

• Picture
• Schematics

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

• Number of Tubes
• 6

• Valves / Tubes
• 36 36 36 85 37 79

• Main principle
• Superhet with RF-stage; ZF/IF 260 kHz

• Wave bands
• Broadcast only (MW).

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

• from Radiomuseum.org
• Model: 9 Transitone - Philco, Philadelphia Stg. Batt

• Notes
• A dynamotor supplies +220 V and +/- A for filaments.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 3 = 1933 and before

• Mentioned in
• Rider's Perpetual, Volume 4

• Other Models

• Here you find 4063 models, 2220 with images and 3710 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA