• Country
• United States of America (USA)

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

• Year
• 1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 146460

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

• Number of Tubes
• 10

• Valves / Tubes
• 6K7G 6A8G 6N7G 6K7G 6H6G 6J5G 6K5G 6F6G 6F6G 5Y4G

• Main principle
• Superhet with RF-stage; ZF/IF 470 kHz

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

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

• Power out
• 7 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 37-11X [Late] - Philco, Philadelphia Stg. Batt

• Shape
• Console with any shape - in general

• Notes
• Model 37-11X has automatic tuning and "magnetic tuning" (automatic frequency control to automatically center tuning on a station and prevent drift).
  
  The early version of 37-11X uses a code 121 chassis and has a cabinet with square corners on the front edges. The late version uses a code 125 chassis and has a cabinet with a recessed control panel and rounded edges on the left and right edges of the front face. The code 121 and 125 chassis have slightly different circuitry in their RF sections.

• Price in first year of sale
• 160.00 $

• Source of data
• Philco Radio 1928-1942

• Circuit diagram reference
• Rider's Perpetual, Volume 8 = 1937 and before

• Literature/Schematics (1)
• Philco Service Bulletins # 268, #268A.

• Author
• Model page created by Thomas Albrecht. See "Data change" for further contributors.

• 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