• Country
• United States of America (USA)

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

• Year
• 1929

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 36309

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

• Number of Tubes
• 7

• Valves / Tubes
• 24 24 27 27 45 45 80

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); Screengrid 1926-1935

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 110 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: 31S Montrad Ch= 63 - Crosley Radio Corp.;

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes
• Metal case with panels of burled walnut finish. Also available with 17" or 21" legs. Eventually sold with Crosley Dynacone external loudspeaker. One dial (primary tuning control knob)

• Price in first year of sale
• 67.00 $

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

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

• Literature/Schematics (1)
• Table Top Radios Vol. 4 Stein 2003 (page 66.)

• Other Models

• Here you find 1773 models, 1042 with images and 1258 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Crosley Radio Corp.; Cincinnati (OH)