• Country
• United States of America (USA)

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

• Year
• 1932

• Category
• Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter

• Radiomuseum.org ID
• 50635

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

• Number of Tubes
• 3

• Valves / Tubes
• 27 24 80

• Main principle
• RF Converter/Adapter (not voltage converter); ZF/IF 1000 kHz

• Wave bands
• Short Wave (SW only)

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 4 Shortwave Converter - Philco, Philadelphia Stg. Batt

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 17.8 x 12.5 x 12.3 inch / 452 x 318 x 312 mm

• Notes
• Bands: 1.5-3.6, 3.6-8.5 and 8.5-19 MHz.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 2 = 1932 (Models 1931/1932)

• Mentioned in
• Philco Radio 1928-1942

• Literature/Schematics (1)
• Philco 1928-36 Wiring Diagrams, Parts Lists, and Essential Service Data

• Other Models

• Here you find 4073 models, 2222 with images and 3721 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA