• Country
• Canada

• Manufacturer / Brand
• De Forest (DeForest) Crosley Radio, Consolidated Industries; Toronto

• Year
• 1938/1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 152094

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

• Number of Tubes
• 5

• Valves / Tubes
• 6A7M 6K7M 75M 41M 80

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

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

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Bach Ch= 8D512 - De Forest DeForest Crosley

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 13.5 x 8 x 7.5 inch / 343 x 203 x 191 mm

• Notes
• Rogers Type M Radio Tube Substitution: Tube 6K7M can be substituted with 6K7G. Tube 75M can be substituted with 6Q7 or 6Q7G. Tube 41M can be substituted with 6K6G or 6K6GT. Rogers 13/50 and Majestic 850 are electronically identical to this set.

• Circuit diagram reference
• Radio College of Canada

• Mentioned in
• RCC Rogers-Majestic section page 41

• Author
• Model page created by Ashis Mukerjea. See "Data change" for further contributors.

• Other Models

• Here you find 272 models, 131 with images and 183 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from De Forest (DeForest) Crosley Radio, Consolidated Industries; Toronto