• Country
• United States of America (USA)

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

• Year
• 1951/1952

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 51033

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

• Number of Tubes
• 5

• Valves / Tubes
• 7A8 12BA6 12AV6 50L6GT 35Z5

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

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 60Hz, 117V=110-120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• Power out
• 1 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 52-544 - Philco, Philadelphia Stg. Batt

• Shape
• Tablemodel with Clock ((Alarm-) Clock Radio).

• Notes

• Philco model 52-544 is an AC operated AM superheterodyne receiver with electric clock.

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 12, 1952

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

• Literature/Schematics (1)
• Rider's Perpetual, Volume 23 (last) = covering up to 1954

• Literature/Schematics (2)
• Photofact Folder, Howard W. SAMS (Set 163, folder 9, dated 4-52)

• Literature/Schematics (3)
• Philco Folder 180-3436 for 1952.

• Other Models

• Here you find 4041 models, 2218 with images and 3690 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA