• Country
• United States of America (USA)

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

• Year
• 1933/1934

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

• Radiomuseum.org ID
• 50443

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

• Number of Tubes
• 6

• Valves / Tubes
• 39 or 44 6A7 39 or 44 75 42 84

• Main principle
• Superhet with RF-stage; ZF/IF 260 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Metal case

• from Radiomuseum.org
• Model: 10 Transitone - Philco, Philadelphia Stg. Batt

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 6.25 x 10.25 x 8.25 inch / 159 x 260 x 210 mm

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

• Price in first year of sale
• 55.00 $

• External source of data
• Ernst Erb

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

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

• Literature/Schematics (1)
• -- Schematic

• Literature/Schematics (2)
• Spiegel Catalogs (Aircastle) (Spring/Summer 1934, No. 137, page 180.)

• Other Models

• Here you find 4085 models, 2222 with images and 3733 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA