• Country
• United States of America (USA)

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

• Year
• 1936/1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 50534

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

• Number of Tubes
• 6

• Valves / Tubes
• 1C7G 1D5G 1H4G 1E5G 1H4G 1J6G

• Main principle
• Superheterodyne (common); ZF/IF 470 kHz

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

• Power type and voltage
• Storage and/or dry batteries / 135, 90, 2, -3, & -9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 37-38B [Early] - Philco, Philadelphia Stg. Batt

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Dimensions (WHD)
• 18 x 13.5 x 9.5 inch / 457 x 343 x 241 mm

• Notes

• The Philco model 37-38 series has a 6-tube 2-band battery-powered chassis. A 2-volt storage battery can be used for the filament supply, or a dry battery (presumably 3 volts) can be used, with a ballast tube that plugs into the battery pack.
  
  There are five models with different cabinet styles. The early version of model 37-38B is a shouldered tombstone; the late version is a rectangular tombstone.
  
  The early version of model 37-38F is a floor-type console with a tulip pattern for the speaker opening. The late version of 37-38F has a large rectangular speaker grill with three vertical bars in front of the speaker. Model 37-38J is a floor-type console with a slightly trapezoidal profile and three vertical bars in front of the speaker.

• Price in first year of sale
• 50.00 $

• External source of data
• Ernst Erb

• Source of data
• Collector's Guide to Antique Radios 4. Edition

• Circuit diagram reference
• Rider's Perpetual, Volume 7 = 1936 and before

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Literature/Schematics (1)
• Philco Radio 1928-1942

• Literature/Schematics (3)
• Philco Folder No. PR-430 for 1937.

• Other Models

• Here you find 4006 models, 2205 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