• Country
• United States of America (USA)

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

• Year
• 1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 51104

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

• Number of Tubes
• 6

• Valves / Tubes
• 78 6A7 78 75 42 80

• Main principle
• Superhet with RF-stage; ZF/IF 460 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, Short Wave(s) and Police.

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 620B - Philco, Philadelphia Stg. Batt

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 13 x 18.5 x 9 inch / 330 x 470 x 229 mm

• Notes

• Wave bands: 540-1720 kHz; 1.75-5.8 MHz; 5.7-18.0 MHz.
  There is also the console version 620F.

  Stein mentions this model as a two bands radio.

• 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 6 = 1935 and before

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

• Literature/Schematics (1)
• Philco Radio 1928-1942 (Philco Service Bulletin # 218; Philco Wiring Diagrams, Parts Lists, and Essential Serv. Data 1928-36)

• Literature/Schematics (2)
• Machine Age to Jet Age II (page 220.)

• Literature/Schematics (3)
• Cathedral & Tombstone Radios (page 195.)

• Other Models

• Here you find 4041 models, 2217 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