• Country
• United States of America (USA)

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

• Year
• 1939/1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 51509

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 470 kHz; 2 AF stage(s)

• Wave bands
• Broadcast and Short Wave (SW).

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: PT-49 Transitone [35A5 tube] - Philco, Philadelphia Stg. Batt

• Shape
• Tablemodel, with any shape - general.

• Notes
•   According to the Philco 1940 and 1941 RMS Yearbooks, there are two versions of PT-49. The 1939/40 model has a 35A5 output tube, and the 1940/41 model has a 50L6GT output tube.

• External source of data
• Ernst Erb

• Source of data
• Table Top Radios Vol. 1 Stein 98

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

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965 (Philco Radio 1928-1942, Ramirez)

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 04, 1941 (Philco 1940 RMS Yearbook)

• Other Models

• Here you find 4063 models, 2220 with images and 3711 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA