• 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
• 50822

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

• Number of Tubes
• 4

• Valves / Tubes
• 7A8 7B7 7C6 7B5

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

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Storage and/or dry batteries / 6 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• Power out
• 0.7 W (unknown quality)

• Material
• Bakelite case

• from Radiomuseum.org
• Model: 42-718T Tropic - Philco, Philadelphia Stg. Batt

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

• Dimensions (WHD)
• 10 x 13 x 6 inch / 254 x 330 x 152 mm

• Notes
• Model 42-718T is a "Philco-Tropic" radio intended for harsh environments. This model uses a synchronous vibrator for generating B+.

• Net weight (2.2 lb = 1 kg)
• 2 kg / 4 lb 6.5 oz (4.405 lb)

• 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 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