• Country
• United States of America (USA)

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

• Year
• 1941/1942

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 50819

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

• Number of Tubes
• 5

• Valves / Tubes
• 7A8 7B7 7C6 35A5 35Z3

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• AC/DC-set / 115 or 230 Volt

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

• Power out
• 1.6 W (unknown quality)

• Material
• Bakelite case

• from Radiomuseum.org
• Model: 42-706C - Philco, Philadelphia Stg. Batt

• Notes
• Model 42-706C is a "Philco-Tropic" radio intended for harsh environments. This model uses a ballast resistor. Line voltage is selected by inserting the ballast into its socket as designated for each voltage.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 14 = 1944 = before 1943

• Mentioned in
• Philco Radio 1928-1942

• Literature/Schematics (1)
• Philco 1942 RMS Year Book

• Other Models

• Here you find 4017 models, 2213 with images and 3664 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA