• Country
• United States of America (USA)

• Manufacturer / Brand
• Crosley Radio Corp.; Cincinnati (OH)

• Year
• 1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 36739

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

• Number of Tubes
• 5

• Valves / Tubes
• 1C7G 1D5G 1F7G 1H4G 1F5G

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

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

• Power type and voltage
• Storage and/or dry batteries

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

• Power out
• 0.5 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 557 [var 1] - Crosley Radio Corp.;

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

• Notes
• Farm Radio; working with one batterie type "A":2 Volts; three 45V batteries type "B" and one 4.5V battery type "C", or Six Volt Power Supply Type "117" see also modell 36186. Power Consumption with Power supply modell 117: only 1.15A at minimum 4Volts.

• External source of data
• Ernst Erb

• Source of data
• Machine Age to Jet Age III

• Circuit diagram reference
• Rider's Perpetual, Volume 9 = 1938 and before

• Other Models

• Here you find 1807 models, 1050 with images and 1301 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Crosley Radio Corp.; Cincinnati (OH)