• Country
• United States of America (USA)

• Manufacturer / Brand
• Freshman Co. Inc., Chas.., (Polydyne); New York

• Year
• 1929

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 41052

• • Brand: C.A.Earl

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

• Number of Tubes
• 9

• Valves / Tubes
• CX301A CX301A CX301A CX301A CX301A CX371A CX371A CX371A CX371A

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); Neutrodyne

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Direct Current supply (DC)

• Loudspeaker
• Magnetic loudspeaker (reed) generic.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Earl 31 [DC] - Freshman Co. Inc., Chas..,

• Shape
• Console, Highboy (legs > 50 %).

• Notes
• Highboy with stretcher base. One dial (primary tuning control knob).

• Price in first year of sale
• 139.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Mentioned in
• Radio Manufacturers of the 1920's, Vol. 2

• Literature/Schematics (1)
• Rider's Perpetual, Volume 1 = 1931/1934 (1919 to 1931) (Earl 1-3)

• Other Models

• Here you find 131 models, 79 with images and 44 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Freshman Co. Inc., Chas.., (Polydyne); New York