• Country
• United States of America (USA)

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

• Year
• 1940/1941

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 93608

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

• Number of Tubes
• 5

• Valves / Tubes
• 7A8 7B7 7C6 50L6GT 35Z3

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

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6 inch = 15.2 cm

• Material
• Bakelite case

• from Radiomuseum.org
• Model: PT-4 Transitone - Philco, Philadelphia Stg. Batt

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 11.4 x 7.25 x 6 inch / 290 x 184 x 152 mm

• Notes
• Built-in loop aerial. Ivory painted bakelite case.

• Circuit diagram reference
• Rider's Perpetual, Volume 12 = ca. 1941 and before

• Mentioned in
• Philco Radio 1928-1942

• Literature/Schematics (1)
• Philco 1941 RMS Year Book

• Literature/Schematics (2)
• Machine Age to Jet Age II (page 222.)

• Author
• Model page created by Vitor Oliveira. See "Data change" for further contributors.

• Other Models

• Here you find 4007 models, 2207 with images and 3656 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA