5 Code 121

• Country
• United States of America (USA)

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

• Year
• 1934

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

• Radiomuseum.org ID
• 50954

• Picture
• Schematics

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

• Number of Tubes
• 5

• Valves / Tubes
• 6A7 78 75 41 84

• Main principle
• Superheterodyne (common); ZF/IF 460 kHz; 2 AF stage(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios)

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

• Material
• Metal case

• from Radiomuseum.org
• Model: 5 Code 121 - Philco, Philadelphia Stg. Batt

• Dimensions (WHD)
• 8 x 6.75 x 10.25 inch / 203 x 171 x 260 mm

• Notes
• The model uses a vibrator for +B.

• External source of data
• Ernst Erb

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

• Mentioned in
• Radio College of Canada (Philco 17)

• Other Models

• Here you find 4089 models, 2223 with images and 3736 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA